Base | Representation |
---|---|
bin | 1100110111001… |
… | …00001100010100 |
3 | 21112000100110202 |
4 | 12123210030110 |
5 | 210104430203 |
6 | 14412240032 |
7 | 2450021303 |
oct | 633441424 |
9 | 245010422 |
10 | 107889428 |
11 | 5599aa19 |
12 | 30170018 |
13 | 194767ca |
14 | 1048643a |
15 | 9712388 |
hex | 66e4314 |
107889428 has 12 divisors (see below), whose sum is σ = 189090132. Its totient is φ = 53863680.
The previous prime is 107889427. The next prime is 107889473. The reversal of 107889428 is 824988701.
It can be written as a sum of positive squares in 2 ways, for example, as 79352464 + 28536964 = 8908^2 + 5342^2 .
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107889427) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17213 + ... + 22628.
It is an arithmetic number, because the mean of its divisors is an integer number (15757511).
Almost surely, 2107889428 is an apocalyptic number.
It is an amenable number.
107889428 is a deficient number, since it is larger than the sum of its proper divisors (81200704).
107889428 is a wasteful number, since it uses less digits than its factorization.
107889428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40522 (or 40520 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 47.
The square root of 107889428 is about 10386.9835852378. The cubic root of 107889428 is about 476.0577396239.
The spelling of 107889428 in words is "one hundred seven million, eight hundred eighty-nine thousand, four hundred twenty-eight".
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