Base | Representation |
---|---|
bin | 1111101010111… |
… | …00110100100010 |
3 | 100011100110111210 |
4 | 13311130310202 |
5 | 232122432234 |
6 | 21013250550 |
7 | 3154216356 |
oct | 765346442 |
9 | 304313453 |
10 | 131452194 |
11 | 68223a85 |
12 | 38033a56 |
13 | 21306783 |
14 | 1365b466 |
15 | b818be9 |
hex | 7d5cd22 |
131452194 has 64 divisors (see below), whose sum is σ = 291088512. Its totient is φ = 39398400.
The previous prime is 131452187. The next prime is 131452201. The reversal of 131452194 is 491254131.
It is an interprime number because it is at equal distance from previous prime (131452187) and next prime (131452201).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229929 + ... + 230499.
It is an arithmetic number, because the mean of its divisors is an integer number (4548258).
Almost surely, 2131452194 is an apocalyptic number.
131452194 is an abundant number, since it is smaller than the sum of its proper divisors (159636318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131452194 is a wasteful number, since it uses less digits than its factorization.
131452194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 691.
The product of its digits is 4320, while the sum is 30.
The square root of 131452194 is about 11465.2603110440. The cubic root of 131452194 is about 508.4590086353.
The spelling of 131452194 in words is "one hundred thirty-one million, four hundred fifty-two thousand, one hundred ninety-four".
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