Base | Representation |
---|---|
bin | 1101100101111… |
… | …1110001100011 |
3 | 10222021200102022 |
4 | 3121133301203 |
5 | 104043443040 |
6 | 5354012055 |
7 | 1261423433 |
oct | 331376143 |
9 | 128250368 |
10 | 57015395 |
11 | 2a202568 |
12 | 1711702b |
13 | ba73628 |
14 | 78022c3 |
15 | 50136b5 |
hex | 365fc63 |
57015395 has 8 divisors (see below), whose sum is σ = 68464656. Its totient is φ = 45581536.
The previous prime is 57015391. The next prime is 57015397. The reversal of 57015395 is 59351075.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57015395 - 22 = 57015391 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57015391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7169 + ... + 12861.
It is an arithmetic number, because the mean of its divisors is an integer number (8558082).
Almost surely, 257015395 is an apocalyptic number.
57015395 is a deficient number, since it is larger than the sum of its proper divisors (11449261).
57015395 is a wasteful number, since it uses less digits than its factorization.
57015395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7701.
The product of its (nonzero) digits is 23625, while the sum is 35.
The square root of 57015395 is about 7550.8539252193. The cubic root of 57015395 is about 384.8847577719.
The spelling of 57015395 in words is "fifty-seven million, fifteen thousand, three hundred ninety-five".
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