Base | Representation |
---|---|
bin | 1110111011111… |
… | …00000111011000 |
3 | 22201202100002101 |
4 | 13131330013120 |
5 | 224033221140 |
6 | 20233213144 |
7 | 3050636551 |
oct | 735740730 |
9 | 281670071 |
10 | 125288920 |
11 | 647a4469 |
12 | 35b611b4 |
13 | 1cc59373 |
14 | 128d5328 |
15 | aeec99a |
hex | 777c1d8 |
125288920 has 32 divisors (see below), whose sum is σ = 282510000. Its totient is φ = 50007168.
The previous prime is 125288899. The next prime is 125288921. The reversal of 125288920 is 29882521.
It is a self number, because there is not a number n which added to its sum of digits gives 125288920.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125288921) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16822 + ... + 23098.
Almost surely, 2125288920 is an apocalyptic number.
125288920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
125288920 is an abundant number, since it is smaller than the sum of its proper divisors (157221080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125288920 is a wasteful number, since it uses less digits than its factorization.
125288920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6787 (or 6783 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 125288920 is about 11193.2533251062. The cubic root of 125288920 is about 500.3849302480.
The spelling of 125288920 in words is "one hundred twenty-five million, two hundred eighty-eight thousand, nine hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •