Base | Representation |
---|---|
bin | 1111100011111… |
… | …10111001000100 |
3 | 100002122021120022 |
4 | 13301332321010 |
5 | 231404340142 |
6 | 20541554312 |
7 | 3143412224 |
oct | 761767104 |
9 | 302567508 |
10 | 130543172 |
11 | 67763021 |
12 | 37875998 |
13 | 21078aa6 |
14 | 134a2084 |
15 | b6d96d2 |
hex | 7c7ee44 |
130543172 has 12 divisors (see below), whose sum is σ = 232196076. Its totient is φ = 64201440.
The previous prime is 130543169. The next prime is 130543177. The reversal of 130543172 is 271345031.
It can be written as a sum of positive squares in 2 ways, for example, as 41165056 + 89378116 = 6416^2 + 9454^2 .
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (130543177) 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, 267263 + ... + 267750.
It is an arithmetic number, because the mean of its divisors is an integer number (19349673).
Almost surely, 2130543172 is an apocalyptic number.
It is an amenable number.
130543172 is a deficient number, since it is larger than the sum of its proper divisors (101652904).
130543172 is a wasteful number, since it uses less digits than its factorization.
130543172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535078 (or 535076 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 130543172 is about 11425.5490896499. The cubic root of 130543172 is about 507.2842597776.
The spelling of 130543172 in words is "one hundred thirty million, five hundred forty-three thousand, one hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.124 sec. • engine limits •