Base | Representation |
---|---|
bin | 1111101010100… |
… | …00101001100110 |
3 | 100011020221010102 |
4 | 13311100221212 |
5 | 232114333332 |
6 | 21012224102 |
7 | 3153621131 |
oct | 765205146 |
9 | 304227112 |
10 | 131402342 |
11 | 6819a585 |
12 | 3800b032 |
13 | 212b9b86 |
14 | 13647218 |
15 | b809062 |
hex | 7d50a66 |
131402342 has 8 divisors (see below), whose sum is σ = 197376816. Its totient is φ = 65610072.
The previous prime is 131402291. The next prime is 131402351. The reversal of 131402342 is 243204131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
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, 43733 + ... + 46640.
It is an arithmetic number, because the mean of its divisors is an integer number (24672102).
Almost surely, 2131402342 is an apocalyptic number.
131402342 is a deficient number, since it is larger than the sum of its proper divisors (65974474).
131402342 is an equidigital number, since it uses as much as digits as its factorization.
131402342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91102.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 131402342 is about 11463.0860591727. The cubic root of 131402342 is about 508.3947244199.
Adding to 131402342 its reverse (243204131), we get a palindrome (374606473).
The spelling of 131402342 in words is "one hundred thirty-one million, four hundred two thousand, three hundred forty-two".
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