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56713357 = 291955633
BaseRepresentation
bin1101100001011…
…0000010001101
310221201100002201
43120112002031
5104004311412
65343321501
71256025031
oct330260215
9127640081
1056713357
112a016648
1216bb0291
13b998ccc
1477641c1
154ea3e57
hex361608d

56713357 has 4 divisors (see below), whose sum is σ = 58669020. Its totient is φ = 54757696.

The previous prime is 56713351. The next prime is 56713361. The reversal of 56713357 is 75331765.

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 25140196 + 31573161 = 5014^2 + 5619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56713357 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 (56713351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977788 + ... + 977845.

It is an arithmetic number, because the mean of its divisors is an integer number (14667255).

Almost surely, 256713357 is an apocalyptic number.

It is an amenable number.

56713357 is a deficient number, since it is larger than the sum of its proper divisors (1955663).

56713357 is a wasteful number, since it uses less digits than its factorization.

56713357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955662.

The product of its digits is 66150, while the sum is 37.

The square root of 56713357 is about 7530.8271126085. The cubic root of 56713357 is about 384.2039141399.

It can be divided in two parts, 567 and 13357, that added together give a square (13924 = 1182).

The spelling of 56713357 in words is "fifty-six million, seven hundred thirteen thousand, three hundred fifty-seven".

Divisors: 1 29 1955633 56713357