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57258308 = 2214314577
BaseRepresentation
bin1101101001101…
…1000101000100
310222202000122002
43122123011010
5104124231213
65403124432
71263454562
oct332330504
9128660562
1057258308
112a359018
1217213718
13bb2a073
147866a32
155060658
hex369b144

57258308 has 6 divisors (see below), whose sum is σ = 100202046. Its totient is φ = 28629152.

The previous prime is 57258287. The next prime is 57258317. The reversal of 57258308 is 80385275.

It can be written as a sum of positive squares in only one way, i.e., 34199104 + 23059204 = 5848^2 + 4802^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7157285 + ... + 7157292.

It is an arithmetic number, because the mean of its divisors is an integer number (16700341).

Almost surely, 257258308 is an apocalyptic number.

It is an amenable number.

57258308 is a deficient number, since it is larger than the sum of its proper divisors (42943738).

57258308 is a wasteful number, since it uses less digits than its factorization.

57258308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14314581 (or 14314579 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 57258308 is about 7566.9219633878. The cubic root of 57258308 is about 385.4305813972.

The spelling of 57258308 in words is "fifty-seven million, two hundred fifty-eight thousand, three hundred eight".

Divisors: 1 2 4 14314577 28629154 57258308