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57472373 = 78992251
BaseRepresentation
bin1101101100111…
…1010101110101
311000010220021102
43123033111311
5104203103443
65411455445
71265335640
oct333172565
9130126242
1057472373
112a494932
12172b7585
13bba362a
1478c0a57
1550a3cb8
hex36cf575

57472373 has 8 divisors (see below), whose sum is σ = 66421440. Its totient is φ = 48708000.

The previous prime is 57472367. The next prime is 57472379. The reversal of 57472373 is 37327475.

It is an interprime number because it is at equal distance from previous prime (57472367) and next prime (57472379).

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

It is a cyclic number.

It is not a de Polignac number, because 57472373 - 212 = 57468277 is a prime.

It is a super-2 number, since 2×574723732 = 6606147316502258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57472379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45503 + ... + 46748.

It is an arithmetic number, because the mean of its divisors is an integer number (8302680).

Almost surely, 257472373 is an apocalyptic number.

It is an amenable number.

57472373 is a deficient number, since it is larger than the sum of its proper divisors (8949067).

57472373 is an equidigital number, since it uses as much as digits as its factorization.

57472373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92347.

The product of its digits is 123480, while the sum is 38.

The square root of 57472373 is about 7581.0535547508. The cubic root of 57472373 is about 385.9103056111.

The spelling of 57472373 in words is "fifty-seven million, four hundred seventy-two thousand, three hundred seventy-three".

Divisors: 1 7 89 623 92251 645757 8210339 57472373