Base | Representation |
---|---|
bin | 1111100011010… |
… | …00110000101101 |
3 | 100002110200020000 |
4 | 13301220300231 |
5 | 231343440100 |
6 | 20540014513 |
7 | 3142554030 |
oct | 761506055 |
9 | 302420200 |
10 | 130452525 |
11 | 67700a05 |
12 | 37831439 |
13 | 21046758 |
14 | 1347b017 |
15 | b6bc900 |
hex | 7c68c2d |
130452525 has 60 divisors (see below), whose sum is σ = 276193632. Its totient is φ = 59628960.
The previous prime is 130452523. The next prime is 130452541. The reversal of 130452525 is 525254031.
It is a happy number.
130452525 is a `hidden beast` number, since 130 + 4 + 5 + 2 + 525 = 666.
It is not a de Polignac number, because 130452525 - 21 = 130452523 is a prime.
It is a super-2 number, since 2×1304525252 = 34035722557751250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130452521) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9574 + ... + 18776.
Almost surely, 2130452525 is an apocalyptic number.
130452525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130452525 is an abundant number, since it is smaller than the sum of its proper divisors (145741107).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130452525 is an equidigital number, since it uses as much as digits as its factorization.
130452525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9232 (or 9218 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 130452525 is about 11421.5815454778. The cubic root of 130452525 is about 507.1668160151.
The spelling of 130452525 in words is "one hundred thirty million, four hundred fifty-two thousand, five hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •