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57245677 = 234724391
BaseRepresentation
bin1101101001011…
…1111111101101
310222201101022021
43122113333231
5104123330202
65402550141
71263403006
oct332277755
9128641267
1057245677
112a34a585
1217208351
13bb243a8
1478621ad
15505ba37
hex3697fed

57245677 has 4 divisors (see below), whose sum is σ = 57272416. Its totient is φ = 57218940.

The previous prime is 57245663. The next prime is 57245693. The reversal of 57245677 is 77654275.

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 57245677 - 219 = 56721389 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57245627) 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, 9849 + ... + 14542.

It is an arithmetic number, because the mean of its divisors is an integer number (14318104).

Almost surely, 257245677 is an apocalyptic number.

It is an amenable number.

57245677 is a deficient number, since it is larger than the sum of its proper divisors (26739).

57245677 is a wasteful number, since it uses less digits than its factorization.

57245677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26738.

The product of its digits is 411600, while the sum is 43.

The square root of 57245677 is about 7566.0872979368. The cubic root of 57245677 is about 385.4022377275.

The spelling of 57245677 in words is "fifty-seven million, two hundred forty-five thousand, six hundred seventy-seven".

Divisors: 1 2347 24391 57245677