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57029214 = 2311864079
BaseRepresentation
bin1101100110001…
…1001001011110
310222022101101010
43121203021132
5104044413324
65354200050
71261511634
oct331431136
9128271333
1057029214
112a211990
1217123026
13ba799c8
147807354
155017829
hex366325e

57029214 has 16 divisors (see below), whose sum is σ = 124427520. Its totient is φ = 17281560.

The previous prime is 57029209. The next prime is 57029233. The reversal of 57029214 is 41292075.

It is a Curzon number.

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, 431974 + ... + 432105.

It is an arithmetic number, because the mean of its divisors is an integer number (7776720).

Almost surely, 257029214 is an apocalyptic number.

57029214 is an abundant number, since it is smaller than the sum of its proper divisors (67398306).

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

57029214 is a wasteful number, since it uses less digits than its factorization.

57029214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864095.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 57029214 is about 7551.7689318464. The cubic root of 57029214 is about 384.9158505018.

The spelling of 57029214 in words is "fifty-seven million, twenty-nine thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 864079 1728158 2592237 5184474 9504869 19009738 28514607 57029214