Base | Representation |
---|---|
bin | 10010101110110… |
… | …00100011111000 |
3 | 101221122202210010 |
4 | 21113120203320 |
5 | 310210443411 |
6 | 23331421520 |
7 | 3615352650 |
oct | 1127304370 |
9 | 357582703 |
10 | 157124856 |
11 | 80769259 |
12 | 447548a0 |
13 | 26724bb5 |
14 | 16c21360 |
15 | dbda7a6 |
hex | 95d88f8 |
157124856 has 64 divisors (see below), whose sum is σ = 450144000. Its totient is φ = 44771328.
The previous prime is 157124831. The next prime is 157124857. The reversal of 157124856 is 658421751.
157124856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157124857) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74391 + ... + 76473.
It is an arithmetic number, because the mean of its divisors is an integer number (7033500).
Almost surely, 2157124856 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157124856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225072000).
157124856 is an abundant number, since it is smaller than the sum of its proper divisors (293019144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157124856 is a wasteful number, since it uses less digits than its factorization.
157124856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2548 (or 2544 counting only the distinct ones).
The product of its digits is 67200, while the sum is 39.
The square root of 157124856 is about 12534.9453927809. The cubic root of 157124856 is about 539.6120395826.
The spelling of 157124856 in words is "one hundred fifty-seven million, one hundred twenty-four thousand, eight hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •