Base | Representation |
---|---|
bin | 1111101001011… |
… | …01011110011000 |
3 | 100010222121111012 |
4 | 13310231132120 |
5 | 232100231024 |
6 | 21005153052 |
7 | 3152451104 |
oct | 764553630 |
9 | 303877435 |
10 | 131258264 |
11 | 68101305 |
12 | 37b5b788 |
13 | 21269417 |
14 | 1360a904 |
15 | b7cb50e |
hex | 7d2d798 |
131258264 has 8 divisors (see below), whose sum is σ = 246109260. Its totient is φ = 65629128.
The previous prime is 131258243. The next prime is 131258269. The reversal of 131258264 is 462852131.
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 131258264.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131258269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8203634 + ... + 8203649.
Almost surely, 2131258264 is an apocalyptic number.
It is an amenable number.
131258264 is a deficient number, since it is larger than the sum of its proper divisors (114850996).
131258264 is a wasteful number, since it uses less digits than its factorization.
131258264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16407289 (or 16407285 counting only the distinct ones).
The product of its digits is 11520, while the sum is 32.
The square root of 131258264 is about 11456.7999022415. The cubic root of 131258264 is about 508.2088442147.
The spelling of 131258264 in words is "one hundred thirty-one million, two hundred fifty-eight thousand, two hundred sixty-four".
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