Base | Representation |
---|---|
bin | 1111101001111… |
… | …01110111011000 |
3 | 100011010000120201 |
4 | 13310331313120 |
5 | 232104403100 |
6 | 21010431544 |
7 | 3153150613 |
oct | 764756730 |
9 | 304100521 |
10 | 131325400 |
11 | 68147798 |
12 | 37b925b4 |
13 | 21290b4b |
14 | 1362717a |
15 | b7e136a |
hex | 7d3ddd8 |
131325400 has 48 divisors (see below), whose sum is σ = 318618000. Its totient is φ = 50244480.
The previous prime is 131325367. The next prime is 131325421. The reversal of 131325400 is 4523131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9675 + ... + 18874.
It is an arithmetic number, because the mean of its divisors is an integer number (6637875).
Almost surely, 2131325400 is an apocalyptic number.
131325400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131325400 is an abundant number, since it is smaller than the sum of its proper divisors (187292600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131325400 is a wasteful number, since it uses less digits than its factorization.
131325400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28588 (or 28579 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 131325400 is about 11459.7294906992. The cubic root of 131325400 is about 508.2954756960.
Adding to 131325400 its reverse (4523131), we get a palindrome (135848531).
The spelling of 131325400 in words is "one hundred thirty-one million, three hundred twenty-five thousand, four hundred".
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