Base | Representation |
---|---|
bin | 1111100111011… |
… | …00000101100101 |
3 | 100010111000002200 |
4 | 13303230011211 |
5 | 232013143222 |
6 | 20555325113 |
7 | 3150254214 |
oct | 763540545 |
9 | 303430080 |
10 | 130990437 |
11 | 67a39066 |
12 | 37a50799 |
13 | 211a4546 |
14 | 1357b07b |
15 | b776eac |
hex | 7cec165 |
130990437 has 12 divisors (see below), whose sum is σ = 190654464. Its totient is φ = 86659560.
The previous prime is 130990429. The next prime is 130990463. The reversal of 130990437 is 734099031.
130990437 is a `hidden beast` number, since 130 + 9 + 90 + 437 = 666.
It is not a de Polignac number, because 130990437 - 23 = 130990429 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130990417) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54373 + ... + 56730.
It is an arithmetic number, because the mean of its divisors is an integer number (15887872).
Almost surely, 2130990437 is an apocalyptic number.
It is an amenable number.
130990437 is a deficient number, since it is larger than the sum of its proper divisors (59664027).
130990437 is a wasteful number, since it uses less digits than its factorization.
130990437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111240 (or 111237 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 130990437 is about 11445.1053730405. The cubic root of 130990437 is about 507.8629492134.
The spelling of 130990437 in words is "one hundred thirty million, nine hundred ninety thousand, four hundred thirty-seven".
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