Base | Representation |
---|---|
bin | 1111101010010… |
… | …01111101011110 |
3 | 100011012112112121 |
4 | 13311021331132 |
5 | 232112444232 |
6 | 21011453154 |
7 | 3153445216 |
oct | 765117536 |
9 | 304175477 |
10 | 131374942 |
11 | 68180a36 |
12 | 37bb71ba |
13 | 212aa56a |
14 | 1363b246 |
15 | b800d97 |
hex | 7d49f5e |
131374942 has 16 divisors (see below), whose sum is σ = 207673632. Its totient is φ = 62207200.
The previous prime is 131374937. The next prime is 131374967. The reversal of 131374942 is 249473131.
It is a junction number, because it is equal to n+sod(n) for n = 131374898 and 131374907.
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, 9493 + ... + 18784.
It is an arithmetic number, because the mean of its divisors is an integer number (12979602).
Almost surely, 2131374942 is an apocalyptic number.
131374942 is a deficient number, since it is larger than the sum of its proper divisors (76298690).
131374942 is a wasteful number, since it uses less digits than its factorization.
131374942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28403.
The product of its digits is 18144, while the sum is 34.
The square root of 131374942 is about 11461.8908562244. The cubic root of 131374942 is about 508.3593851619.
The spelling of 131374942 in words is "one hundred thirty-one million, three hundred seventy-four thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •