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10938931 = 107102233
BaseRepresentation
bin101001101110…
…101000110011
3202120202101121
4221232220303
510300021211
61030243111
7161656633
oct51565063
922522347
1010938931
1161a1643
1237b6497
132360053
14164a6c3
15e61271
hexa6ea33

10938931 has 4 divisors (see below), whose sum is σ = 11041272. Its totient is φ = 10836592.

The previous prime is 10938929. The next prime is 10938937. The reversal of 10938931 is 13983901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10938931 - 21 = 10938929 is a prime.

It is a super-2 number, since 2×109389312 = 239320422845522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10938937) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51010 + ... + 51223.

It is an arithmetic number, because the mean of its divisors is an integer number (2760318).

Almost surely, 210938931 is an apocalyptic number.

10938931 is a deficient number, since it is larger than the sum of its proper divisors (102341).

10938931 is a wasteful number, since it uses less digits than its factorization.

10938931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102340.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 10938931 is about 3307.4054786192. The cubic root of 10938931 is about 221.9856807040.

The spelling of 10938931 in words is "ten million, nine hundred thirty-eight thousand, nine hundred thirty-one".

Divisors: 1 107 102233 10938931