Base | Representation |
---|---|
bin | 1101101001101… |
… | …0000011001001 |
3 | 10222201210211211 |
4 | 3122122003021 |
5 | 104124112324 |
6 | 5403053121 |
7 | 1263436354 |
oct | 332320311 |
9 | 128653754 |
10 | 57254089 |
11 | 2a355932 |
12 | 172111a1 |
13 | bb28179 |
14 | 786529b |
15 | 505e294 |
hex | 369a0c9 |
57254089 has 4 divisors (see below), whose sum is σ = 57326724. Its totient is φ = 57181456.
The previous prime is 57254053. The next prime is 57254111. The reversal of 57254089 is 98045275.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 30162064 + 27092025 = 5492^2 + 5205^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57254089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57254039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35122 + ... + 36715.
It is an arithmetic number, because the mean of its divisors is an integer number (14331681).
Almost surely, 257254089 is an apocalyptic number.
It is an amenable number.
57254089 is a deficient number, since it is larger than the sum of its proper divisors (72635).
57254089 is an equidigital number, since it uses as much as digits as its factorization.
57254089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72634.
The product of its (nonzero) digits is 100800, while the sum is 40.
The square root of 57254089 is about 7566.6431791119. The cubic root of 57254089 is about 385.4211145231.
The spelling of 57254089 in words is "fifty-seven million, two hundred fifty-four thousand, eighty-nine".
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