Base | Representation |
---|---|
bin | 1101101000101… |
… | …0111110110001 |
3 | 10222121200011220 |
4 | 3122022332301 |
5 | 104120123434 |
6 | 5401455253 |
7 | 1263061413 |
oct | 332127661 |
9 | 128550156 |
10 | 57192369 |
11 | 2a313523 |
12 | 171a1529 |
13 | bb06050 |
14 | 784a9b3 |
15 | 504ad49 |
hex | 368afb1 |
57192369 has 16 divisors (see below), whose sum is σ = 86954112. Its totient is φ = 33124608.
The previous prime is 57192367. The next prime is 57192383. The reversal of 57192369 is 96329175.
It is not a de Polignac number, because 57192369 - 21 = 57192367 is a prime.
It is a super-2 number, since 2×571923692 = 6541934143664322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 57192369.
It is not an unprimeable number, because it can be changed into a prime (57192367) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42469 + ... + 43794.
It is an arithmetic number, because the mean of its divisors is an integer number (5434632).
Almost surely, 257192369 is an apocalyptic number.
It is an amenable number.
57192369 is a deficient number, since it is larger than the sum of its proper divisors (29761743).
57192369 is a wasteful number, since it uses less digits than its factorization.
57192369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86296.
The product of its digits is 102060, while the sum is 42.
The square root of 57192369 is about 7562.5636526247. The cubic root of 57192369 is about 385.2825698670.
The spelling of 57192369 in words is "fifty-seven million, one hundred ninety-two thousand, three hundred sixty-nine".
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