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105031112 = 23431013023
BaseRepresentation
bin1100100001010…
…10010111001000
321022122010121012
412100222113020
5203341443422
614231103052
72413515104
oct620522710
9238563535
10105031112
115431847a
122b211a88
13189b57b4
14dd40904
15934a4e2
hex642a5c8

105031112 has 32 divisors (see below), whose sum is σ = 203575680. Its totient is φ = 50769600.

The previous prime is 105031103. The next prime is 105031177. The reversal of 105031112 is 211130501.

It is a super-2 number, since 2×1050311122 = 22063068975913088, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33233 + ... + 36255.

It is an arithmetic number, because the mean of its divisors is an integer number (6361740).

Almost surely, 2105031112 is an apocalyptic number.

It is an amenable number.

105031112 is a deficient number, since it is larger than the sum of its proper divisors (98544568).

105031112 is a wasteful number, since it uses less digits than its factorization.

105031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 105031112 is about 10248.4687636739. The cubic root of 105031112 is about 471.8159892699.

Adding to 105031112 its reverse (211130501), we get a palindrome (316161613).

The spelling of 105031112 in words is "one hundred five million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 43 86 101 172 202 344 404 808 3023 4343 6046 8686 12092 17372 24184 34744 129989 259978 305323 519956 610646 1039912 1221292 2442584 13128889 26257778 52515556 105031112