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105264012 = 22379712919
BaseRepresentation
bin1100100011000…
…11001110001100
321100001222002010
412101203032030
5203421422022
614240101220
72415505110
oct621431614
9240058063
10105264012
1154467457
122b304810
1318a677c9
14dda1740
15939450c
hex646338c

105264012 has 48 divisors (see below), whose sum is σ = 283619840. Its totient is φ = 29763072.

The previous prime is 105263999. The next prime is 105264013. The reversal of 105264012 is 210462501.

It is a super-2 number, since 2×1052640122 = 22161024444672288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 105264012.

It is not an unprimeable number, because it can be changed into a prime (105264013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689 + ... + 14607.

Almost surely, 2105264012 is an apocalyptic number.

105264012 is a gapful number since it is divisible by the number (12) 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 105264012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141809920).

105264012 is an abundant number, since it is smaller than the sum of its proper divisors (178355828).

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

105264012 is a wasteful number, since it uses less digits than its factorization.

105264012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13030 (or 13028 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 105264012 is about 10259.8251447089. The cubic root of 105264012 is about 472.1644727493.

The spelling of 105264012 in words is "one hundred five million, two hundred sixty-four thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 97 194 291 388 582 679 1164 1358 2037 2716 4074 8148 12919 25838 38757 51676 77514 90433 155028 180866 271299 361732 542598 1085196 1253143 2506286 3759429 5012572 7518858 8772001 15037716 17544002 26316003 35088004 52632006 105264012