Base | Representation |
---|---|
bin | 1101101100101… |
… | …1010000110110 |
3 | 11000010001100210 |
4 | 3123023100312 |
5 | 104202040140 |
6 | 5411250250 |
7 | 1265236146 |
oct | 333132066 |
9 | 130101323 |
10 | 57455670 |
11 | 2a483328 |
12 | 172a9986 |
13 | bb98b4c |
14 | 78b8926 |
15 | 509dd80 |
hex | 36cb436 |
57455670 has 32 divisors (see below), whose sum is σ = 142650720. Its totient is φ = 14792960.
The previous prime is 57455647. The next prime is 57455693. The reversal of 57455670 is 7655475.
It is an interprime number because it is at equal distance from previous prime (57455647) and next prime (57455693).
It is a congruent number.
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, 32151 + ... + 33890.
It is an arithmetic number, because the mean of its divisors is an integer number (4457835).
Almost surely, 257455670 is an apocalyptic number.
57455670 is an abundant number, since it is smaller than the sum of its proper divisors (85195050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57455670 is a wasteful number, since it uses less digits than its factorization.
57455670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66080.
The product of its (nonzero) digits is 147000, while the sum is 39.
The square root of 57455670 is about 7579.9518468127. The cubic root of 57455670 is about 385.8729167230.
The spelling of 57455670 in words is "fifty-seven million, four hundred fifty-five thousand, six hundred seventy".
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