Base | Representation |
---|---|
bin | 1101110001000… |
… | …1010111010110 |
3 | 11000122122020110 |
4 | 3130101113112 |
5 | 104240232211 |
6 | 5421343450 |
7 | 1300543242 |
oct | 334212726 |
9 | 130578213 |
10 | 57742806 |
11 | 2a65a030 |
12 | 17407b86 |
13 | bc69754 |
14 | 7951422 |
15 | 5108ea6 |
hex | 37115d6 |
57742806 has 16 divisors (see below), whose sum is σ = 125984448. Its totient is φ = 17497800.
The previous prime is 57742793. The next prime is 57742819. The reversal of 57742806 is 60824775.
It is an interprime number because it is at equal distance from previous prime (57742793) and next prime (57742819).
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, 437380 + ... + 437511.
It is an arithmetic number, because the mean of its divisors is an integer number (7874028).
Almost surely, 257742806 is an apocalyptic number.
57742806 is an abundant number, since it is smaller than the sum of its proper divisors (68241642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57742806 is a wasteful number, since it uses less digits than its factorization.
57742806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 874907.
The product of its (nonzero) digits is 94080, while the sum is 39.
The square root of 57742806 is about 7598.8687315942. The cubic root of 57742806 is about 386.5146517320.
The spelling of 57742806 in words is "fifty-seven million, seven hundred forty-two thousand, eight hundred six".
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