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57385308 = 22347101747
BaseRepresentation
bin1101101011101…
…0000101011100
310222222110211210
43122322011130
5104142312213
65405544420
71264524051
oct332720534
9128873753
1057385308
112a435482
1217275110
13bb72b06
14789b028
1550880c3
hex36ba15c

57385308 has 24 divisors (see below), whose sum is σ = 136749312. Its totient is φ = 18721264.

The previous prime is 57385267. The next prime is 57385351. The reversal of 57385308 is 80358375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50310 + ... + 51437.

It is an arithmetic number, because the mean of its divisors is an integer number (5697888).

Almost surely, 257385308 is an apocalyptic number.

It is an amenable number.

57385308 is an abundant number, since it is smaller than the sum of its proper divisors (79364004).

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

57385308 is a wasteful number, since it uses less digits than its factorization.

57385308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101801 (or 101799 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 57385308 is about 7575.3091026043. The cubic root of 57385308 is about 385.7153350550.

The spelling of 57385308 in words is "fifty-seven million, three hundred eighty-five thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 101747 203494 305241 406988 610482 1220964 4782109 9564218 14346327 19128436 28692654 57385308