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57076223 = 411392103
BaseRepresentation
bin1101100110111…
…0100111111111
310222101202212012
43121232213333
5104102414343
65355201435
71262065661
oct331564777
9128352765
1057076223
112a244236
121714627b
13ba95219
14781a531
155026718
hex366e9ff

57076223 has 4 divisors (see below), whose sum is σ = 58468368. Its totient is φ = 55684080.

The previous prime is 57076193. The next prime is 57076241. The reversal of 57076223 is 32267075.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57076223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57076223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57079223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696011 + ... + 696092.

It is an arithmetic number, because the mean of its divisors is an integer number (14617092).

Almost surely, 257076223 is an apocalyptic number.

57076223 is a deficient number, since it is larger than the sum of its proper divisors (1392145).

57076223 is a wasteful number, since it uses less digits than its factorization.

57076223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392144.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 57076223 is about 7554.8807402897. The cubic root of 57076223 is about 385.0215830932.

The spelling of 57076223 in words is "fifty-seven million, seventy-six thousand, two hundred twenty-three".

Divisors: 1 41 1392103 57076223