Base | Representation |
---|---|
bin | 1101100111011… |
… | …0101101111010 |
3 | 10222110110022212 |
4 | 3121312231322 |
5 | 104104444440 |
6 | 5400015122 |
7 | 1262264423 |
oct | 331665572 |
9 | 128413285 |
10 | 57109370 |
11 | 2a26712a |
12 | 171614a2 |
13 | baa7336 |
14 | 782864a |
15 | 5031465 |
hex | 3676b7a |
57109370 has 8 divisors (see below), whose sum is σ = 102796884. Its totient is φ = 22843744.
The previous prime is 57109369. The next prime is 57109373. The reversal of 57109370 is 7390175.
It can be written as a sum of positive squares in 2 ways, for example, as 56896849 + 212521 = 7543^2 + 461^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×571093702 = 6522960283593800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (57109373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855459 + ... + 2855478.
Almost surely, 257109370 is an apocalyptic number.
57109370 is a deficient number, since it is larger than the sum of its proper divisors (45687514).
57109370 is a wasteful number, since it uses less digits than its factorization.
57109370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5710944.
The product of its (nonzero) digits is 6615, while the sum is 32.
The square root of 57109370 is about 7557.0741692801. The cubic root of 57109370 is about 385.0961023937.
The spelling of 57109370 in words is "fifty-seven million, one hundred nine thousand, three hundred seventy".
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