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105040872 = 23323114691
BaseRepresentation
bin1100100001011…
…00101111101000
321022122121222200
412100230233220
5203342301442
614231220200
72413555416
oct620545750
9238577880
10105040872
1154324842
122b217660
13189ba081
14dd442b6
15934d34c
hex642cbe8

105040872 has 48 divisors (see below), whose sum is σ = 285461280. Its totient is φ = 34893600.

The previous prime is 105040861. The next prime is 105040883. The reversal of 105040872 is 278040501.

It is an interprime number because it is at equal distance from previous prime (105040861) and next prime (105040883).

It is a super-2 number, since 2×1050408722 = 22067169581040768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20047 + ... + 24737.

It is an arithmetic number, because the mean of its divisors is an integer number (5947110).

Almost surely, 2105040872 is an apocalyptic number.

105040872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105040872 is an abundant number, since it is smaller than the sum of its proper divisors (180420408).

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

105040872 is a wasteful number, since it uses less digits than its factorization.

105040872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 105040872 is about 10248.9449213078. The cubic root of 105040872 is about 471.8306032935.

The spelling of 105040872 in words is "one hundred five million, forty thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 311 622 933 1244 1866 2488 2799 3732 4691 5598 7464 9382 11196 14073 18764 22392 28146 37528 42219 56292 84438 112584 168876 337752 1458901 2917802 4376703 5835604 8753406 11671208 13130109 17506812 26260218 35013624 52520436 105040872