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57830242 = 289324889
BaseRepresentation
bin1101110010011…
…0101101100010
311000211002011211
43130212231202
5104301031432
65423300334
71301356201
oct334465542
9130732154
1057830242
112a709798
121744a6aa
13bc9a4a2
147975238
155124d47
hex3726b62

57830242 has 8 divisors (see below), whose sum is σ = 87720300. Its totient is φ = 28590144.

The previous prime is 57830231. The next prime is 57830273. The reversal of 57830242 is 24203875.

It can be written as a sum of positive squares in 2 ways, for example, as 55368481 + 2461761 = 7441^2 + 1569^2 .

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

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, 162267 + ... + 162622.

Almost surely, 257830242 is an apocalyptic number.

57830242 is a deficient number, since it is larger than the sum of its proper divisors (29890058).

57830242 is a wasteful number, since it uses less digits than its factorization.

57830242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324980.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 57830242 is about 7604.6197801074. The cubic root of 57830242 is about 386.7096442849.

The spelling of 57830242 in words is "fifty-seven million, eight hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 89 178 324889 649778 28915121 57830242