Base | Representation |
---|---|
bin | 1101101001010… |
… | …1010100100110 |
3 | 10222200211021200 |
4 | 3122111110212 |
5 | 104123002401 |
6 | 5402423330 |
7 | 1263326043 |
oct | 332252446 |
9 | 128624250 |
10 | 57234726 |
11 | 2a34232a |
12 | 17201b46 |
13 | bb1c403 |
14 | 785c1ca |
15 | 5058686 |
hex | 3695526 |
57234726 has 48 divisors (see below), whose sum is σ = 131779440. Its totient is φ = 17902080.
The previous prime is 57234721. The next prime is 57234739. The reversal of 57234726 is 62743275.
It is a happy number.
57234726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57234721) 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 23 ways as a sum of consecutive naturals, for example, 37906 + ... + 39386.
It is an arithmetic number, because the mean of its divisors is an integer number (2745405).
Almost surely, 257234726 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57234726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65889720).
57234726 is an abundant number, since it is smaller than the sum of its proper divisors (74544714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57234726 is a wasteful number, since it uses less digits than its factorization.
57234726 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1621 (or 1618 counting only the distinct ones).
The product of its digits is 70560, while the sum is 36.
The square root of 57234726 is about 7565.3635735502. The cubic root of 57234726 is about 385.3776605642.
The spelling of 57234726 in words is "fifty-seven million, two hundred thirty-four thousand, seven hundred twenty-six".
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