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105113808 = 24333147167
BaseRepresentation
bin1100100001111…
…10100011010000
321022210100001000
412100332203100
5203402120213
614232542000
72414311152
oct620764320
9238710030
10105113808
1154374618
122b251900
1318a14327
14dd62ad2
159364c73
hex643e8d0

105113808 has 160 divisors (see below), whose sum is σ = 319979520. Its totient is φ = 32987520.

The previous prime is 105113807. The next prime is 105113809. The reversal of 105113808 is 808311501.

It is an interprime number because it is at equal distance from previous prime (105113807) and next prime (105113809).

It is a super-2 number, since 2×1051138082 = 22097825264521728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105113803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629341 + ... + 629507.

It is an arithmetic number, because the mean of its divisors is an integer number (1999872).

Almost surely, 2105113808 is an apocalyptic number.

105113808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105113808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159989760).

105113808 is an abundant number, since it is smaller than the sum of its proper divisors (214865712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105113808 is a wasteful number, since it uses less digits than its factorization.

105113808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 105113808 is about 10252.5025237744. The cubic root of 105113808 is about 471.9397845236.

The spelling of 105113808 in words is "one hundred five million, one hundred thirteen thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 36 47 48 54 62 72 93 94 108 124 141 144 167 186 188 216 248 279 282 334 372 376 423 432 496 501 558 564 668 744 752 837 846 1002 1116 1128 1269 1336 1457 1488 1503 1674 1692 2004 2232 2256 2538 2672 2914 3006 3348 3384 4008 4371 4464 4509 5076 5177 5828 6012 6696 6768 7849 8016 8742 9018 10152 10354 11656 12024 13113 13392 15531 15698 17484 18036 20304 20708 23312 23547 24048 26226 31062 31396 34968 36072 39339 41416 46593 47094 52452 62124 62792 69936 70641 72144 78678 82832 93186 94188 104904 124248 125584 139779 141282 157356 186372 188376 209808 211923 243319 248496 279558 282564 314712 372744 376752 423846 486638 559116 565128 629424 729957 745488 847692 973276 1118232 1130256 1459914 1695384 1946552 2189871 2236464 2919828 3390768 3893104 4379742 5839656 6569613 8759484 11679312 13139226 17518968 26278452 35037936 52556904 105113808