Search a number
-
+
10979957 = 53207169
BaseRepresentation
bin101001111000…
…101001110101
3202122211200002
4221320221311
510302324312
61031201045
7162220352
oct51705165
922584602
1010979957
11621a44a
123816185
132375921
14165b629
15e6d4c2
hexa78a75

10979957 has 4 divisors (see below), whose sum is σ = 11187180. Its totient is φ = 10772736.

The previous prime is 10979953. The next prime is 10979971. The reversal of 10979957 is 75997901.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9991921 + 988036 = 3161^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 10979957 - 22 = 10979953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10979953) 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, 103532 + ... + 103637.

It is an arithmetic number, because the mean of its divisors is an integer number (2796795).

Almost surely, 210979957 is an apocalyptic number.

It is an amenable number.

10979957 is a deficient number, since it is larger than the sum of its proper divisors (207223).

10979957 is an equidigital number, since it uses as much as digits as its factorization.

10979957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207222.

The product of its (nonzero) digits is 178605, while the sum is 47.

The square root of 10979957 is about 3313.6018167547. The cubic root of 10979957 is about 222.2628504698.

The spelling of 10979957 in words is "ten million, nine hundred seventy-nine thousand, nine hundred fifty-seven".

Divisors: 1 53 207169 10979957