Search a number
-
+
57820314 = 2361239661
BaseRepresentation
bin1101110010010…
…0010010011010
311000210120120010
43130210102122
5104300222224
65423142350
71301315226
oct334442232
9130716503
1057820314
112a702292
12174449b6
13bc95b06
147971786
155121e29
hex372449a

57820314 has 32 divisors (see below), whose sum is σ = 118206720. Its totient is φ = 18849600.

The previous prime is 57820309. The next prime is 57820331. The reversal of 57820314 is 41302875.

It is a super-2 number, since 2×578203142 = 6686377422117192, which contains 22 as substring.

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, 87144 + ... + 87804.

It is an arithmetic number, because the mean of its divisors is an integer number (3693960).

Almost surely, 257820314 is an apocalyptic number.

57820314 is an abundant number, since it is smaller than the sum of its proper divisors (60386406).

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

57820314 is a wasteful number, since it uses less digits than its factorization.

57820314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 57820314 is about 7603.9669909857. The cubic root of 57820314 is about 386.6875135741.

The spelling of 57820314 in words is "fifty-seven million, eight hundred twenty thousand, three hundred fourteen".

Divisors: 1 2 3 6 61 122 183 239 366 478 661 717 1322 1434 1983 3966 14579 29158 40321 43737 80642 87474 120963 157979 241926 315958 473937 947874 9636719 19273438 28910157 57820314