Base | Representation |
---|---|
bin | 1111100110101… |
… | …00000111100000 |
3 | 100010022000102100 |
4 | 13303110013200 |
5 | 232002023011 |
6 | 20553250400 |
7 | 3146365035 |
oct | 763240740 |
9 | 303260370 |
10 | 130892256 |
11 | 67981320 |
12 | 37a03a00 |
13 | 2116b951 |
14 | 1355338c |
15 | b757d56 |
hex | 7cd41e0 |
130892256 has 144 divisors (see below), whose sum is σ = 411989760. Its totient is φ = 39087360.
The previous prime is 130892249. The next prime is 130892257. The reversal of 130892256 is 652298031.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 130892256.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130892257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250011 + ... + 250533.
It is an arithmetic number, because the mean of its divisors is an integer number (2861040).
Almost surely, 2130892256 is an apocalyptic number.
130892256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130892256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205994880).
130892256 is an abundant number, since it is smaller than the sum of its proper divisors (281097504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130892256 is a wasteful number, since it uses less digits than its factorization.
130892256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 629 (or 618 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 130892256 is about 11440.8153555592. The cubic root of 130892256 is about 507.7360316655.
The spelling of 130892256 in words is "one hundred thirty million, eight hundred ninety-two thousand, two hundred fifty-six".
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