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23117386 = 211558693
BaseRepresentation
bin101100000101…
…1111001001010
31121111111002111
41120023321022
521404224021
62143252534
7400331425
oct130137112
947444074
1023117386
111205a486
1278aa14a
134a35336
1430da9bc
1520698e1
hex160be4a

23117386 has 4 divisors (see below), whose sum is σ = 34676082. Its totient is φ = 11558692.

The previous prime is 23117329. The next prime is 23117389. The reversal of 23117386 is 68371132.

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

It can be written as a sum of positive squares in only one way, i.e., 21335161 + 1782225 = 4619^2 + 1335^2 .

It is not an unprimeable number, because it can be changed into a prime (23117389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5779345 + ... + 5779348.

Almost surely, 223117386 is an apocalyptic number.

23117386 is a deficient number, since it is larger than the sum of its proper divisors (11558696).

23117386 is a wasteful number, since it uses less digits than its factorization.

23117386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11558695.

The product of its digits is 6048, while the sum is 31.

The square root of 23117386 is about 4808.0542842193. The cubic root of 23117386 is about 284.8696890674.

The spelling of 23117386 in words is "twenty-three million, one hundred seventeen thousand, three hundred eighty-six".

Divisors: 1 2 11558693 23117386