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57948069 = 319316023
BaseRepresentation
bin1101110100001…
…1011110100101
311001001001210210
43131003132211
5104313314234
65430010033
71302356544
oct335033645
9131031723
1057948069
112a78a273
12174a6919
13c00bcca
1479a615b
155149be9
hex37437a5

57948069 has 4 divisors (see below), whose sum is σ = 77264096. Its totient is φ = 38632044.

The previous prime is 57948067. The next prime is 57948071. The reversal of 57948069 is 96084975.

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 an interprime number because it is at equal distance from previous prime (57948067) and next prime (57948071).

It is not a de Polignac number, because 57948069 - 21 = 57948067 is a prime.

It is a super-2 number, since 2×579480692 = 6715957401657522, 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 (57948067) 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, 9658009 + ... + 9658014.

It is an arithmetic number, because the mean of its divisors is an integer number (19316024).

Almost surely, 257948069 is an apocalyptic number.

It is an amenable number.

57948069 is a deficient number, since it is larger than the sum of its proper divisors (19316027).

57948069 is a wasteful number, since it uses less digits than its factorization.

57948069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19316026.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 57948069 is about 7612.3629051695. The cubic root of 57948069 is about 386.9721016953.

The spelling of 57948069 in words is "fifty-seven million, nine hundred forty-eight thousand, sixty-nine".

Divisors: 1 3 19316023 57948069