Base | Representation |
---|---|
bin | 1110110101111… |
… | …00110101100010 |
3 | 22200021112100200 |
4 | 13122330311202 |
5 | 223333133232 |
6 | 20204330030 |
7 | 3041164425 |
oct | 732746542 |
9 | 280245320 |
10 | 124505442 |
11 | 64309866 |
12 | 35843916 |
13 | 1ca43879 |
14 | 1276d9bc |
15 | ade577c |
hex | 76bcd62 |
124505442 has 48 divisors (see below), whose sum is σ = 287907360. Its totient is φ = 38771136.
The previous prime is 124505411. The next prime is 124505477. The reversal of 124505442 is 244505421.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22473 + ... + 27459.
It is an arithmetic number, because the mean of its divisors is an integer number (5998070).
Almost surely, 2124505442 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 124505442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143953680).
124505442 is an abundant number, since it is smaller than the sum of its proper divisors (163401918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124505442 is a wasteful number, since it uses less digits than its factorization.
124505442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5087 (or 5084 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
The square root of 124505442 is about 11158.2006613970. The cubic root of 124505442 is about 499.3397177719.
The spelling of 124505442 in words is "one hundred twenty-four million, five hundred five thousand, four hundred forty-two".
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