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57143470 = 255714347
BaseRepresentation
bin1101100111111…
…1000010101110
310222112012002211
43121333002232
5104112042340
65400441034
71262466016
oct331770256
9128465084
1057143470
112a28a80a
121717917a
13bab9a07
147836c46
15503b5ea
hex367f0ae

57143470 has 8 divisors (see below), whose sum is σ = 102858264. Its totient is φ = 22857384.

The previous prime is 57143467. The next prime is 57143479. The reversal of 57143470 is 7434175.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57143479) 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, 2857164 + ... + 2857183.

It is an arithmetic number, because the mean of its divisors is an integer number (12857283).

Almost surely, 257143470 is an apocalyptic number.

57143470 is a deficient number, since it is larger than the sum of its proper divisors (45714794).

57143470 is a wasteful number, since it uses less digits than its factorization.

57143470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714354.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 57143470 is about 7559.3299967656. The cubic root of 57143470 is about 385.1727340935.

The spelling of 57143470 in words is "fifty-seven million, one hundred forty-three thousand, four hundred seventy".

Divisors: 1 2 5 10 5714347 11428694 28571735 57143470