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14445648 = 2433717281
BaseRepresentation
bin110111000110…
…110001010000
31000011220201000
4313012301100
512144230043
61233342000
7233533410
oct67066120
930156630
1014445648
118177258
124a07900
132cba229
141cc0640
1514052d3
hexdc6c50

14445648 has 160 divisors (see below), whose sum is σ = 50353920. Its totient is φ = 3870720.

The previous prime is 14445637. The next prime is 14445649. The reversal of 14445648 is 84654441.

It is a happy number.

14445648 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 5 + 648 = 666.

It is a super-2 number, since 2×144456482 = 417353492279808, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14445649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51268 + ... + 51548.

It is an arithmetic number, because the mean of its divisors is an integer number (314712).

Almost surely, 214445648 is an apocalyptic number.

14445648 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 14445648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25176960).

14445648 is an abundant number, since it is smaller than the sum of its proper divisors (35908272).

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

14445648 is a wasteful number, since it uses less digits than its factorization.

14445648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 310 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 14445648 is about 3800.7430852400. The cubic root of 14445648 is about 243.5448830627.

The spelling of 14445648 in words is "fourteen million, four hundred forty-five thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 34 36 42 48 51 54 56 63 68 72 84 102 108 112 119 126 136 144 153 168 189 204 216 238 252 272 281 306 336 357 378 408 432 459 476 504 562 612 714 756 816 843 918 952 1008 1071 1124 1224 1428 1512 1686 1836 1904 1967 2142 2248 2448 2529 2856 3024 3213 3372 3672 3934 4284 4496 4777 5058 5712 5901 6426 6744 7344 7587 7868 8568 9554 10116 11802 12852 13488 14331 15174 15736 17136 17703 19108 20232 23604 25704 28662 30348 31472 33439 35406 38216 40464 42993 47208 51408 53109 57324 60696 66878 70812 76432 85986 94416 100317 106218 114648 121392 128979 133756 141624 171972 200634 212436 229296 257958 267512 283248 300951 343944 401268 424872 515916 535024 601902 687888 802536 849744 902853 1031832 1203804 1605072 1805706 2063664 2407608 3611412 4815216 7222824 14445648