Base | Representation |
---|---|
bin | 1101100100101… |
… | …1000110110110 |
3 | 10222010101022000 |
4 | 3121023012312 |
5 | 104033240432 |
6 | 5352120130 |
7 | 1260621561 |
oct | 331130666 |
9 | 128111260 |
10 | 56930742 |
11 | 2a154a00 |
12 | 17096046 |
13 | ba43c3b |
14 | 77bd4d8 |
15 | 4ee857c |
hex | 364b1b6 |
56930742 has 48 divisors (see below), whose sum is σ = 139075440. Its totient is φ = 17249760.
The previous prime is 56930737. The next prime is 56930743. The reversal of 56930742 is 24703965.
It is a super-2 number, since 2×569307422 = 6482218769341128, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 56930697 and 56930706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56930743) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2178 + ... + 10890.
It is an arithmetic number, because the mean of its divisors is an integer number (2897405).
Almost surely, 256930742 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56930742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69537720).
56930742 is an abundant number, since it is smaller than the sum of its proper divisors (82144698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56930742 is a wasteful number, since it uses less digits than its factorization.
56930742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8746 (or 8729 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 56930742 is about 7545.2463180469. The cubic root of 56930742 is about 384.6941789069.
The spelling of 56930742 in words is "fifty-six million, nine hundred thirty thousand, seven hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •