Base | Representation |
---|---|
bin | 1101100111011… |
… | …0001100001110 |
3 | 10222110100101000 |
4 | 3121312030032 |
5 | 104104412324 |
6 | 5400001130 |
7 | 1262255223 |
oct | 331661416 |
9 | 128410330 |
10 | 57107214 |
11 | 2a26554a |
12 | 171601a6 |
13 | baa6368 |
14 | 782794a |
15 | 50309c9 |
hex | 367630e |
57107214 has 16 divisors (see below), whose sum is σ = 126905040. Its totient is φ = 19035720.
The previous prime is 57107203. The next prime is 57107227. The reversal of 57107214 is 41270175.
It is a super-2 number, since 2×571072142 = 6522467781683592, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 528717 + ... + 528824.
It is an arithmetic number, because the mean of its divisors is an integer number (7931565).
Almost surely, 257107214 is an apocalyptic number.
57107214 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
57107214 is an abundant number, since it is smaller than the sum of its proper divisors (69797826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57107214 is a wasteful number, since it uses less digits than its factorization.
57107214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1057552 (or 1057546 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 27.
The square root of 57107214 is about 7556.9315201343. The cubic root of 57107214 is about 385.0912562675.
Adding to 57107214 its reverse (41270175), we get a palindrome (98377389).
The spelling of 57107214 in words is "fifty-seven million, one hundred seven thousand, two hundred fourteen".
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