Base | Representation |
---|---|
bin | 10010101110111… |
… | …10011000000000 |
3 | 101221200222110012 |
4 | 21113132120000 |
5 | 310212224142 |
6 | 23332124052 |
7 | 3615512252 |
oct | 1127363000 |
9 | 357628405 |
10 | 157148672 |
11 | 8078513a |
12 | 44766628 |
13 | 267329a5 |
14 | 16c29cd2 |
15 | dbe2882 |
hex | 95de600 |
157148672 has 40 divisors (see below), whose sum is σ = 324151872. Its totient is φ = 76032000.
The previous prime is 157148647. The next prime is 157148687. The reversal of 157148672 is 276841751.
It is a super-2 number, since 2×1571486722 = 49391410222727168, which contains 22 as substring.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10922 + ... + 20822.
Almost surely, 2157148672 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 157148672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162075936).
157148672 is an abundant number, since it is smaller than the sum of its proper divisors (167003200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157148672 is an frugal number, since it uses more digits than its factorization.
157148672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9950 (or 9934 counting only the distinct ones).
The product of its digits is 94080, while the sum is 41.
The square root of 157148672 is about 12535.8953409798. The cubic root of 157148672 is about 539.6393018745.
The spelling of 157148672 in words is "one hundred fifty-seven million, one hundred forty-eight thousand, six hundred seventy-two".
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