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56978701 = 1319230683
BaseRepresentation
bin1101100101011…
…0110100001101
310222012211002021
43121112310031
5104041304301
65353130141
71261211443
oct331266415
9128184067
1056978701
112a187a3a
12170b9951
13ba5ca10
1477d2b93
1550078a1
hex3656d0d

56978701 has 8 divisors (see below), whose sum is σ = 64591520. Its totient is φ = 49827312.

The previous prime is 56978641. The next prime is 56978729. The reversal of 56978701 is 10787965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56978701 - 27 = 56978573 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 (56978731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115095 + ... + 115588.

It is an arithmetic number, because the mean of its divisors is an integer number (8073940).

Almost surely, 256978701 is an apocalyptic number.

It is an amenable number.

56978701 is a deficient number, since it is larger than the sum of its proper divisors (7612819).

56978701 is a wasteful number, since it uses less digits than its factorization.

56978701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230715.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 56978701 is about 7548.4237427426. The cubic root of 56978701 is about 384.8021719362.

The spelling of 56978701 in words is "fifty-six million, nine hundred seventy-eight thousand, seven hundred one".

Divisors: 1 13 19 247 230683 2998879 4382977 56978701