Base | Representation |
---|---|
bin | 1101101001101… |
… | …0100010011100 |
3 | 10222201220121000 |
4 | 3122122202130 |
5 | 104124143332 |
6 | 5403110300 |
7 | 1263445245 |
oct | 332324234 |
9 | 128656530 |
10 | 57256092 |
11 | 2a357393 |
12 | 17212390 |
13 | bb2905a |
14 | 7865ccc |
15 | 505eb7c |
hex | 369a89c |
57256092 has 96 divisors (see below), whose sum is σ = 155937600. Its totient is φ = 18144000.
The previous prime is 57256027. The next prime is 57256097. The reversal of 57256092 is 29065275.
57256092 is a `hidden beast` number, since 5 + 7 + 2 + 560 + 92 = 666.
57256092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×572560922 = 6556520142224928, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57256097) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316242 + ... + 316422.
It is an arithmetic number, because the mean of its divisors is an integer number (1624350).
Almost surely, 257256092 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57256092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77968800).
57256092 is an abundant number, since it is smaller than the sum of its proper divisors (98681508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57256092 is a wasteful number, since it uses less digits than its factorization.
57256092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 324 (or 316 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The square root of 57256092 is about 7566.7755351933. The cubic root of 57256092 is about 385.4256090463.
The spelling of 57256092 in words is "fifty-seven million, two hundred fifty-six thousand, ninety-two".
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