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57306234 = 239551039
BaseRepresentation
bin1101101010011…
…0110001111010
310222211110101010
43122212301322
5104132244414
65404134350
71264044366
oct332466172
9128743333
1057306234
112a391027
12172373b6
13bb45b1b
14787a2a6
15506e959
hex36a6c7a

57306234 has 8 divisors (see below), whose sum is σ = 114612480. Its totient is φ = 19102076.

The previous prime is 57306209. The next prime is 57306247. The reversal of 57306234 is 43260375.

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

57306234 is an admirable number.

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, 4775514 + ... + 4775525.

It is an arithmetic number, because the mean of its divisors is an integer number (14326560).

Almost surely, 257306234 is an apocalyptic number.

57306234 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.

57306234 is a wasteful number, since it uses less digits than its factorization.

57306234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551044.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 57306234 is about 7570.0881104516. The cubic root of 57306234 is about 385.5380883265.

The spelling of 57306234 in words is "fifty-seven million, three hundred six thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9551039 19102078 28653117 57306234