Base | Representation |
---|---|
bin | 1110111110101… |
… | …10111011011100 |
3 | 22202110020100010 |
4 | 13133112323130 |
5 | 224132122032 |
6 | 20245203220 |
7 | 3054046200 |
oct | 737267334 |
9 | 282406303 |
10 | 125660892 |
11 | 64a28985 |
12 | 36100510 |
13 | 20059776 |
14 | 12990b00 |
15 | b072ccc |
hex | 77d6edc |
125660892 has 72 divisors (see below), whose sum is σ = 348413184. Its totient is φ = 35131488.
The previous prime is 125660837. The next prime is 125660893. The reversal of 125660892 is 298066521.
It is a self number, because there is not a number n which added to its sum of digits gives 125660892.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125660893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25363 + ... + 29909.
It is an arithmetic number, because the mean of its divisors is an integer number (4839072).
Almost surely, 2125660892 is an apocalyptic number.
125660892 is a gapful number since it is divisible by the number (12) 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 125660892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174206592).
125660892 is an abundant number, since it is smaller than the sum of its proper divisors (222752292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125660892 is a wasteful number, since it uses less digits than its factorization.
125660892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4615 (or 4606 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 125660892 is about 11209.8569125569. The cubic root of 125660892 is about 500.8796408896.
The spelling of 125660892 in words is "one hundred twenty-five million, six hundred sixty thousand, eight hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •