Base | Representation |
---|---|
bin | 1111101110011… |
… | …00101010010100 |
3 | 100012012201220101 |
4 | 13313030222110 |
5 | 232232112132 |
6 | 21031143444 |
7 | 3161135053 |
oct | 767145224 |
9 | 305181811 |
10 | 131910292 |
11 | 68507178 |
12 | 38214b84 |
13 | 21437137 |
14 | 1373a39a |
15 | b8a97e7 |
hex | 7dcca94 |
131910292 has 6 divisors (see below), whose sum is σ = 230843018. Its totient is φ = 65955144.
The previous prime is 131910263. The next prime is 131910307. The reversal of 131910292 is 292019131.
It can be written as a sum of positive squares in only one way, i.e., 125529616 + 6380676 = 11204^2 + 2526^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 131910292.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16488783 + ... + 16488790.
Almost surely, 2131910292 is an apocalyptic number.
It is an amenable number.
131910292 is a deficient number, since it is larger than the sum of its proper divisors (98932726).
131910292 is a wasteful number, since it uses less digits than its factorization.
131910292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32977577 (or 32977575 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 28.
The square root of 131910292 is about 11485.2205899582. The cubic root of 131910292 is about 509.0489671036.
It can be divided in two parts, 1319 and 10292, that added together give a palindrome (11611).
The spelling of 131910292 in words is "one hundred thirty-one million, nine hundred ten thousand, two hundred ninety-two".
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