Base | Representation |
---|---|
bin | 1101100110111… |
… | …0000110011000 |
3 | 10222101122220112 |
4 | 3121232012120 |
5 | 104102332242 |
6 | 5355143452 |
7 | 1262056466 |
oct | 331560630 |
9 | 128348815 |
10 | 57074072 |
11 | 2a242660 |
12 | 17144b88 |
13 | ba94253 |
14 | 7819836 |
15 | 5025c82 |
hex | 366e198 |
57074072 has 32 divisors (see below), whose sum is σ = 119465280. Its totient is φ = 25337760.
The previous prime is 57074041. The next prime is 57074077. The reversal of 57074072 is 27047075.
It is a happy number.
57074072 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 2×570740722 = 6514899389322368, which contains 22 as substring.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57074077) 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 7 ways as a sum of consecutive naturals, for example, 3758 + ... + 11325.
It is an arithmetic number, because the mean of its divisors is an integer number (3733290).
Almost surely, 257074072 is an apocalyptic number.
It is an amenable number.
57074072 is an abundant number, since it is smaller than the sum of its proper divisors (62391208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57074072 is a wasteful number, since it uses less digits than its factorization.
57074072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15143 (or 15139 counting only the distinct ones).
The product of its (nonzero) digits is 13720, while the sum is 32.
The square root of 57074072 is about 7554.7383806456. The cubic root of 57074072 is about 385.0167463340.
It can be divided in two parts, 5707 and 4072, that added together give a palindrome (9779).
The spelling of 57074072 in words is "fifty-seven million, seventy-four thousand, seventy-two".
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