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57492093 = 319164031
BaseRepresentation
bin1101101101010…
…0001001111101
311000011220022210
43123110021331
5104204221333
65412131033
71265450301
oct333241175
9130156283
1057492093
112a4a872a
1217306a79
13bbac5b9
1478c7d01
1550a9a63
hex36d427d

57492093 has 4 divisors (see below), whose sum is σ = 76656128. Its totient is φ = 38328060.

The previous prime is 57492089. The next prime is 57492133. The reversal of 57492093 is 39029475.

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 not a de Polignac number, because 57492093 - 22 = 57492089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57492293) 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, 9582013 + ... + 9582018.

It is an arithmetic number, because the mean of its divisors is an integer number (19164032).

Almost surely, 257492093 is an apocalyptic number.

It is an amenable number.

57492093 is a deficient number, since it is larger than the sum of its proper divisors (19164035).

57492093 is a wasteful number, since it uses less digits than its factorization.

57492093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19164034.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 57492093 is about 7582.3540539861. The cubic root of 57492093 is about 385.9544385896.

The spelling of 57492093 in words is "fifty-seven million, four hundred ninety-two thousand, ninety-three".

Divisors: 1 3 19164031 57492093