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10957931 = 43325307
BaseRepresentation
bin101001110011…
…010001101011
3202121201110022
4221303101223
510301123211
61030511055
7162066215
oct51632153
922551408
1010957931
116204946
12380548b
1323688aa
1416535b5
15e66bdb
hexa7346b

10957931 has 4 divisors (see below), whose sum is σ = 10983672. Its totient is φ = 10932192.

The previous prime is 10957901. The next prime is 10957943. The reversal of 10957931 is 13975901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10957931 is a prime.

It is a super-2 number, since 2×109579312 = 240152503601522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 10957891 and 10957900.

It is not an unprimeable number, because it can be changed into a prime (10957901) 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, 12221 + ... + 13086.

It is an arithmetic number, because the mean of its divisors is an integer number (2745918).

Almost surely, 210957931 is an apocalyptic number.

10957931 is a deficient number, since it is larger than the sum of its proper divisors (25741).

10957931 is an equidigital number, since it uses as much as digits as its factorization.

10957931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25740.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 10957931 is about 3310.2765745478. The cubic root of 10957931 is about 222.1141298288.

The spelling of 10957931 in words is "ten million, nine hundred fifty-seven thousand, nine hundred thirty-one".

Divisors: 1 433 25307 10957931