Base | Representation |
---|---|
bin | 1101101000010… |
… | …1101000000000 |
3 | 10222120120002102 |
4 | 3122011220000 |
5 | 104113423212 |
6 | 5401205532 |
7 | 1262640434 |
oct | 332055000 |
9 | 128516072 |
10 | 57170432 |
11 | 2a2a8aa0 |
12 | 171908a8 |
13 | bac9077 |
14 | 78429c4 |
15 | 50445c2 |
hex | 3685a00 |
57170432 has 40 divisors (see below), whose sum is σ = 124625952. Its totient is φ = 25984000.
The previous prime is 57170419. The next prime is 57170437. The reversal of 57170432 is 23407175.
It is a junction number, because it is equal to n+sod(n) for n = 57170395 and 57170404.
It is not an unprimeable number, because it can be changed into a prime (57170437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557 + ... + 10707.
Almost surely, 257170432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57170432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62312976).
57170432 is an abundant number, since it is smaller than the sum of its proper divisors (67455520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57170432 is a wasteful number, since it uses less digits than its factorization.
57170432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10180 (or 10164 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 57170432 is about 7561.1131455626. The cubic root of 57170432 is about 385.2333032444.
The spelling of 57170432 in words is "fifty-seven million, one hundred seventy thousand, four hundred thirty-two".
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