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968574257 = 7138367751
BaseRepresentation
bin111001101110110…
…100010100110001
32111111112200002122
4321232310110301
53440423334012
6240035524025
733000513440
oct7156642461
92444480078
10968574257
1145780a1a2
12230459615
13125886281
14928cad57
155a074e72
hex39bb4531

968574257 has 4 divisors (see below), whose sum is σ = 1106942016. Its totient is φ = 830206500.

The previous prime is 968574253. The next prime is 968574281. The reversal of 968574257 is 752475869.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 968574257 - 22 = 968574253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 968574199 and 968574208.

It is not an unprimeable number, because it can be changed into a prime (968574253) 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, 69183869 + ... + 69183882.

It is an arithmetic number, because the mean of its divisors is an integer number (276735504).

Almost surely, 2968574257 is an apocalyptic number.

It is an amenable number.

968574257 is a deficient number, since it is larger than the sum of its proper divisors (138367759).

968574257 is a wasteful number, since it uses less digits than its factorization.

968574257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138367758.

The product of its digits is 4233600, while the sum is 53.

The square root of 968574257 is about 31121.9256634290. The cubic root of 968574257 is about 989.4130646729.

The spelling of 968574257 in words is "nine hundred sixty-eight million, five hundred seventy-four thousand, two hundred fifty-seven".

Divisors: 1 7 138367751 968574257