Base | Representation |
---|---|
bin | 1111101010111… |
… | …01000100111010 |
3 | 100011100111221121 |
4 | 13311131010322 |
5 | 232123000432 |
6 | 21013255454 |
7 | 3154222414 |
oct | 765350472 |
9 | 304314847 |
10 | 131453242 |
11 | 68224848 |
12 | 3803458a |
13 | 213070ab |
14 | 1365b9b4 |
15 | b819197 |
hex | 7d5d13a |
131453242 has 8 divisors (see below), whose sum is σ = 199555776. Its totient is φ = 64934652.
The previous prime is 131453233. The next prime is 131453251. The reversal of 131453242 is 242354131.
It is an interprime number because it is at equal distance from previous prime (131453233) and next prime (131453251).
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395778 + ... + 396109.
It is an arithmetic number, because the mean of its divisors is an integer number (24944472).
Almost surely, 2131453242 is an apocalyptic number.
131453242 is a deficient number, since it is larger than the sum of its proper divisors (68102534).
131453242 is an equidigital number, since it uses as much as digits as its factorization.
131453242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 791972.
The product of its digits is 2880, while the sum is 25.
The square root of 131453242 is about 11465.3060142327. The cubic root of 131453242 is about 508.4603598581.
The spelling of 131453242 in words is "one hundred thirty-one million, four hundred fifty-three thousand, two hundred forty-two".
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