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57550542 = 2371780603
BaseRepresentation
bin1101101110001…
…0011011001110
311000021212111120
43123202123032
5104213104132
65413301410
71266112560
oct333423316
9130255446
1057550542
112a538635
1217334866
13bc0009a
147901330
1550bc02c
hex36e26ce

57550542 has 32 divisors (see below), whose sum is σ = 139283712. Its totient is φ = 15475584.

The previous prime is 57550523. The next prime is 57550553. The reversal of 57550542 is 24505575.

It is a super-3 number, since 3×575505423 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39588 + ... + 41015.

It is an arithmetic number, because the mean of its divisors is an integer number (4352616).

Almost surely, 257550542 is an apocalyptic number.

57550542 is an abundant number, since it is smaller than the sum of its proper divisors (81733170).

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

57550542 is a wasteful number, since it uses less digits than its factorization.

57550542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80632.

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 57550542 is about 7586.2073528213. The cubic root of 57550542 is about 386.0851870653.

The spelling of 57550542 in words is "fifty-seven million, five hundred fifty thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 80603 161206 241809 483618 564221 1128442 1370251 1692663 2740502 3385326 4110753 8221506 9591757 19183514 28775271 57550542