Base | Representation |
---|---|
bin | 1111101010100… |
… | …00010001011110 |
3 | 100011020212000020 |
4 | 13311100101132 |
5 | 232114311143 |
6 | 21012213010 |
7 | 3153613464 |
oct | 765202136 |
9 | 304225006 |
10 | 131400798 |
11 | 68199401 |
12 | 3800a166 |
13 | 212b9269 |
14 | 13646834 |
15 | b808883 |
hex | 7d5045e |
131400798 has 32 divisors (see below), whose sum is σ = 274592160. Its totient is φ = 41865600.
The previous prime is 131400793. The next prime is 131400809. The reversal of 131400798 is 897004131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131400791) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13836 + ... + 21312.
It is an arithmetic number, because the mean of its divisors is an integer number (8581005).
Almost surely, 2131400798 is an apocalyptic number.
131400798 is an abundant number, since it is smaller than the sum of its proper divisors (143191362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131400798 is a wasteful number, since it uses less digits than its factorization.
131400798 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7612.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 131400798 is about 11463.0187123637. The cubic root of 131400798 is about 508.3927331704.
Multiplying 131400798 by its sum of digits (33), we get a palindrome (4336226334).
The spelling of 131400798 in words is "one hundred thirty-one million, four hundred thousand, seven hundred ninety-eight".
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