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57485782 = 2197145903
BaseRepresentation
bin1101101101001…
…0100111010110
311000011120200001
43123102213112
5104204021112
65412041514
71265423014
oct333224726
9130146601
1057485782
112a4a3a12
121730329a
13bba9773
1478c58b4
1550a7c57
hex36d29d6

57485782 has 8 divisors (see below), whose sum is σ = 86666976. Its totient is φ = 28596792.

The previous prime is 57485767. The next prime is 57485783. The reversal of 57485782 is 28758475.

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

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57485783) 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, 72558 + ... + 73345.

It is an arithmetic number, because the mean of its divisors is an integer number (10833372).

Almost surely, 257485782 is an apocalyptic number.

57485782 is a deficient number, since it is larger than the sum of its proper divisors (29181194).

57485782 is a wasteful number, since it uses less digits than its factorization.

57485782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146102.

The product of its digits is 627200, while the sum is 46.

The square root of 57485782 is about 7581.9378789331. The cubic root of 57485782 is about 385.9403157919.

The spelling of 57485782 in words is "fifty-seven million, four hundred eighty-five thousand, seven hundred eighty-two".

Divisors: 1 2 197 394 145903 291806 28742891 57485782