Base | Representation |
---|---|
bin | 1101101100011… |
… | …1111100101000 |
3 | 11000002100201202 |
4 | 3123013330220 |
5 | 104201121323 |
6 | 5411103332 |
7 | 1265151434 |
oct | 333077450 |
9 | 130070652 |
10 | 57442088 |
11 | 2a474100 |
12 | 172a1b48 |
13 | bb92902 |
14 | 78b39c4 |
15 | 5099d28 |
hex | 36c7f28 |
57442088 has 24 divisors (see below), whose sum is σ = 118387290. Its totient is φ = 26109600.
The previous prime is 57442087. The next prime is 57442117. The reversal of 57442088 is 88024475.
It can be written as a sum of positive squares in only one way, i.e., 56280004 + 1162084 = 7502^2 + 1078^2 .
It is not an unprimeable number, because it can be changed into a prime (57442087) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28703 + ... + 30638.
Almost surely, 257442088 is an apocalyptic number.
It is an amenable number.
57442088 is an abundant number, since it is smaller than the sum of its proper divisors (60945202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57442088 is a wasteful number, since it uses less digits than its factorization.
57442088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59369 (or 59354 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 38.
The square root of 57442088 is about 7579.0558778782. The cubic root of 57442088 is about 385.8425087059.
The spelling of 57442088 in words is "fifty-seven million, four hundred forty-two thousand, eighty-eight".
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