Base | Representation |
---|---|
bin | 1111101010111… |
… | …01010100011010 |
3 | 100011100120022100 |
4 | 13311131110122 |
5 | 232123013414 |
6 | 21013304230 |
7 | 3154225332 |
oct | 765352432 |
9 | 304316270 |
10 | 131454234 |
11 | 6822556a |
12 | 38035076 |
13 | 21307692 |
14 | 1365c0c2 |
15 | b819609 |
hex | 7d5d51a |
131454234 has 24 divisors (see below), whose sum is σ = 301572180. Its totient is φ = 41240448.
The previous prime is 131454221. The next prime is 131454247. The reversal of 131454234 is 432454131.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (131454221) and next prime (131454247).
It can be written as a sum of positive squares in 2 ways, for example, as 121550625 + 9903609 = 11025^2 + 3147^2 .
It is a junction number, because it is equal to n+sod(n) for n = 131454198 and 131454207.
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, 214489 + ... + 215100.
Almost surely, 2131454234 is an apocalyptic number.
131454234 is an abundant number, since it is smaller than the sum of its proper divisors (170117946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131454234 is a wasteful number, since it uses less digits than its factorization.
131454234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429614 (or 429611 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 131454234 is about 11465.3492750984. The cubic root of 131454234 is about 508.4616388716.
The spelling of 131454234 in words is "one hundred thirty-one million, four hundred fifty-four thousand, two hundred thirty-four".
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