Base | Representation |
---|---|
bin | 1101101000110… |
… | …0100111100000 |
3 | 10222122000101011 |
4 | 3122030213200 |
5 | 104120332242 |
6 | 5401550304 |
7 | 1263120100 |
oct | 332144740 |
9 | 128560334 |
10 | 57199072 |
11 | 2a318567 |
12 | 171a5394 |
13 | bb09108 |
14 | 784d200 |
15 | 504cd17 |
hex | 368c9e0 |
57199072 has 36 divisors (see below), whose sum is σ = 130999680. Its totient is φ = 24513216.
The previous prime is 57199069. The next prime is 57199127. The reversal of 57199072 is 27099175.
It is a super-2 number, since 2×571990722 = 6543467675322368, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16672 + ... + 19807.
It is an arithmetic number, because the mean of its divisors is an integer number (3638880).
Almost surely, 257199072 is an apocalyptic number.
It is an amenable number.
57199072 is an abundant number, since it is smaller than the sum of its proper divisors (73800608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57199072 is a wasteful number, since it uses less digits than its factorization.
57199072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36503 (or 36488 counting only the distinct ones).
The product of its (nonzero) digits is 39690, while the sum is 40.
The square root of 57199072 is about 7563.0068094641. The cubic root of 57199072 is about 385.2976211068.
The spelling of 57199072 in words is "fifty-seven million, one hundred ninety-nine thousand, seventy-two".
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