Base | Representation |
---|---|
bin | 1111101001001… |
… | …11111001011000 |
3 | 100010221110010222 |
4 | 13310213321120 |
5 | 232044013131 |
6 | 21004455212 |
7 | 3152324354 |
oct | 764477130 |
9 | 303843128 |
10 | 131235416 |
11 | 68096124 |
12 | 37b4a508 |
13 | 2125bbc0 |
14 | 13602464 |
15 | b7c487b |
hex | 7d27e58 |
131235416 has 32 divisors (see below), whose sum is σ = 266036400. Its totient is φ = 60332160.
The previous prime is 131235397. The next prime is 131235437. The reversal of 131235416 is 614532131.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25631 + ... + 30321.
Almost surely, 2131235416 is an apocalyptic number.
It is an amenable number.
131235416 is an abundant number, since it is smaller than the sum of its proper divisors (134800984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131235416 is a wasteful number, since it uses less digits than its factorization.
131235416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4979 (or 4975 counting only the distinct ones).
The product of its digits is 2160, while the sum is 26.
The square root of 131235416 is about 11455.8027217651. The cubic root of 131235416 is about 508.1793546950.
Adding to 131235416 its reverse (614532131), we get a palindrome (745767547).
The spelling of 131235416 in words is "one hundred thirty-one million, two hundred thirty-five thousand, four hundred sixteen".
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