Base | Representation |
---|---|
bin | 1111100010101… |
… | …00110010100100 |
3 | 100002022112000100 |
4 | 13301110302210 |
5 | 231333330344 |
6 | 20534144100 |
7 | 3142063401 |
oct | 761246244 |
9 | 302275010 |
10 | 130370724 |
11 | 67655500 |
12 | 377b2030 |
13 | 21018453 |
14 | 134592a8 |
15 | b6a3569 |
hex | 7c54ca4 |
130370724 has 81 divisors (see below), whose sum is σ = 364336609. Its totient is φ = 39277920.
The previous prime is 130370719. The next prime is 130370753. The reversal of 130370724 is 427073031.
The square root of 130370724 is 11418.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 118592100 + 11778624 = 10890^2 + 3432^2 .
It is a Duffinian number.
It is an unprimeable number.
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 26 ways as a sum of consecutive naturals, for example, 753502 + ... + 753674.
Almost surely, 2130370724 is an apocalyptic number.
130370724 is the 11418-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130370724
130370724 is an abundant number, since it is smaller than the sum of its proper divisors (233965885).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130370724 is a wasteful number, since it uses less digits than its factorization.
130370724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 378 (or 189 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 27.
The cubic root of 130370724 is about 507.0607865682.
It can be divided in two parts, 1303 and 70724, that added together give a palindrome (72027).
The spelling of 130370724 in words is "one hundred thirty million, three hundred seventy thousand, seven hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •