[go: up one dir, main page]

Search a number
-
+
105395904 = 2638251
BaseRepresentation
bin1100100100000…
…11011011000000
321100022200000000
412102003123000
5203440132104
614243000000
72416564455
oct622033300
9240280000
10105395904
1154547559
122b369000
1318ab2853
14ddd782c
1593bd639
hex64836c0

105395904 has 126 divisors (see below), whose sum is σ = 314951364. Its totient is φ = 34992000.

The previous prime is 105395839. The next prime is 105395921. The reversal of 105395904 is 409593501.

105395904 is a `hidden beast` number, since 10 + 53 + 9 + 590 + 4 = 666.

It is a super-2 number, since 2×1053959042 = 22216593159954432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 419779 + ... + 420029.

It is an arithmetic number, because the mean of its divisors is an integer number (2499614).

Almost surely, 2105395904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105395904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157475682).

105395904 is an abundant number, since it is smaller than the sum of its proper divisors (209555460).

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

105395904 is an frugal number, since it uses more digits than its factorization.

105395904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 105395904 is about 10266.2507275051. The cubic root of 105395904 is about 472.3615921136.

The spelling of 105395904 in words is "one hundred five million, three hundred ninety-five thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 251 288 324 432 486 502 576 648 729 753 864 972 1004 1296 1458 1506 1728 1944 2008 2187 2259 2592 2916 3012 3888 4016 4374 4518 5184 5832 6024 6561 6777 7776 8032 8748 9036 11664 12048 13122 13554 15552 16064 17496 18072 20331 23328 24096 26244 27108 34992 36144 40662 46656 48192 52488 54216 60993 69984 72288 81324 104976 108432 121986 139968 144576 162648 182979 209952 216864 243972 325296 365958 419904 433728 487944 548937 650592 731916 975888 1097874 1301184 1463832 1646811 1951776 2195748 2927664 3293622 3903552 4391496 5855328 6587244 8782992 11710656 13174488 17565984 26348976 35131968 52697952 105395904