Base | Representation |
---|---|
bin | 1101100101110… |
… | …1110110111110 |
3 | 10222021021122202 |
4 | 3121131312332 |
5 | 104043220200 |
6 | 5353511502 |
7 | 1261361525 |
oct | 331356676 |
9 | 128237582 |
10 | 57007550 |
11 | 2a1a7686 |
12 | 17112592 |
13 | ba6cba2 |
14 | 77dd4bc |
15 | 50111d5 |
hex | 365ddbe |
57007550 has 24 divisors (see below), whose sum is σ = 107778072. Its totient is φ = 22428000.
The previous prime is 57007529. The next prime is 57007571. The reversal of 57007550 is 5570075.
It is an interprime number because it is at equal distance from previous prime (57007529) and next prime (57007571).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6296 + ... + 12395.
It is an arithmetic number, because the mean of its divisors is an integer number (4490753).
Almost surely, 257007550 is an apocalyptic number.
57007550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57007550 is a deficient number, since it is larger than the sum of its proper divisors (50770522).
57007550 is a wasteful number, since it uses less digits than its factorization.
57007550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18764 (or 18759 counting only the distinct ones).
The product of its (nonzero) digits is 6125, while the sum is 29.
The square root of 57007550 is about 7550.3344296793. The cubic root of 57007550 is about 384.8671042977.
The spelling of 57007550 in words is "fifty-seven million, seven thousand, five hundred fifty".
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