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105713988 = 2238809499
BaseRepresentation
bin1100100110100…
…01000101000100
321100220211022220
412103101011010
5204030321423
614253452340
72422361022
oct623210504
9240824286
10105713988
1154744536
122b4a10b0
1318b94573
141007b712
1594329e3
hex64d1144

105713988 has 12 divisors (see below), whose sum is σ = 246666000. Its totient is φ = 35237992.

The previous prime is 105713981. The next prime is 105713989. The reversal of 105713988 is 889317501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1057139882 = 22350894517728288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105713981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4404738 + ... + 4404761.

It is an arithmetic number, because the mean of its divisors is an integer number (20555500).

Almost surely, 2105713988 is an apocalyptic number.

It is an amenable number.

105713988 is an abundant number, since it is smaller than the sum of its proper divisors (140952012).

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

105713988 is a wasteful number, since it uses less digits than its factorization.

105713988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8809506 (or 8809504 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 105713988 is about 10281.7307881504. The cubic root of 105713988 is about 472.8363093785.

The spelling of 105713988 in words is "one hundred five million, seven hundred thirteen thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 8809499 17618998 26428497 35237996 52856994 105713988