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57457434 = 239576239
BaseRepresentation
bin1101101100101…
…1101100011010
311000010010210010
43123023230122
5104202114214
65411302350
71265244246
oct333135432
9130103703
1057457434
112a484691
12172aa9b6
13bb998a8
1478b9426
15509e659
hex36cbb1a

57457434 has 8 divisors (see below), whose sum is σ = 114914880. Its totient is φ = 19152476.

The previous prime is 57457423. The next prime is 57457471. The reversal of 57457434 is 43475475.

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

57457434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 57457392 and 57457401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4788114 + ... + 4788125.

It is an arithmetic number, because the mean of its divisors is an integer number (14364360).

Almost surely, 257457434 is an apocalyptic number.

57457434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57457434 is a wasteful number, since it uses less digits than its factorization.

57457434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576244.

The product of its digits is 235200, while the sum is 39.

The square root of 57457434 is about 7580.0682054979. The cubic root of 57457434 is about 385.8768656971.

The spelling of 57457434 in words is "fifty-seven million, four hundred fifty-seven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9576239 19152478 28728717 57457434