Base | Representation |
---|---|
bin | 1101100110100… |
… | …1100111011110 |
3 | 10222100201201110 |
4 | 3121221213132 |
5 | 104101240320 |
6 | 5354522450 |
7 | 1261652115 |
oct | 331514736 |
9 | 128321643 |
10 | 57055710 |
11 | 2a22a888 |
12 | 17136426 |
13 | ba88a9a |
14 | 7812c7c |
15 | 50205e0 |
hex | 36699de |
57055710 has 16 divisors (see below), whose sum is σ = 136933776. Its totient is φ = 15214848.
The previous prime is 57055703. The next prime is 57055721. The reversal of 57055710 is 1755075.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1901857 = 57055710 / (5 + 7 + 0 + 5 + 5 + 7 + 1 + 0).
It is a plaindrome in base 16.
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, 950899 + ... + 950958.
It is an arithmetic number, because the mean of its divisors is an integer number (8558361).
Almost surely, 257055710 is an apocalyptic number.
57055710 is an abundant number, since it is smaller than the sum of its proper divisors (79878066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57055710 is a wasteful number, since it uses less digits than its factorization.
57055710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1901867.
The product of its (nonzero) digits is 6125, while the sum is 30.
The square root of 57055710 is about 7553.5230190951. The cubic root of 57055710 is about 384.9754524181.
It can be divided in two parts, 570 and 55710, that added together give a triangular number (56280 = T335).
The spelling of 57055710 in words is "fifty-seven million, fifty-five thousand, seven hundred ten".
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