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57670245 = 335631677
BaseRepresentation
bin1101101111111…
…1101001100101
311000111221201000
43123333221211
5104230421440
65420023513
71300121553
oct333775145
9130457630
1057670245
112a60a566
1217391b99
13bc42709
147932bd3
1550e2730
hex36ffa65

57670245 has 32 divisors (see below), whose sum is σ = 102839040. Its totient is φ = 30663360.

The previous prime is 57670243. The next prime is 57670279. The reversal of 57670245 is 54207675.

It is not a de Polignac number, because 57670245 - 21 = 57670243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57670243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84847 + ... + 85523.

It is an arithmetic number, because the mean of its divisors is an integer number (3213720).

Almost surely, 257670245 is an apocalyptic number.

It is an amenable number.

57670245 is a deficient number, since it is larger than the sum of its proper divisors (45168795).

57670245 is a wasteful number, since it uses less digits than its factorization.

57670245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 57670245 is about 7594.0927700417. The cubic root of 57670245 is about 386.3526826631.

The spelling of 57670245 in words is "fifty-seven million, six hundred seventy thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 631 677 1893 2031 3155 3385 5679 6093 9465 10155 17037 18279 28395 30465 85185 91395 427187 1281561 2135935 3844683 6407805 11534049 19223415 57670245