Base | Representation |
---|---|
bin | 10010101001111… |
… | …01100111000100 |
3 | 101220110112011121 |
4 | 21110331213010 |
5 | 310030141210 |
6 | 23310043324 |
7 | 3610100410 |
oct | 1124754704 |
9 | 356415147 |
10 | 156490180 |
11 | 80375430 |
12 | 444a9544 |
13 | 26562052 |
14 | 16ad7d40 |
15 | db126da |
hex | 953d9c4 |
156490180 has 96 divisors (see below), whose sum is σ = 412296192. Its totient is φ = 48470400.
The previous prime is 156490157. The next prime is 156490181. The reversal of 156490180 is 81094651.
156490180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (156490181) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472615 + ... + 472945.
It is an arithmetic number, because the mean of its divisors is an integer number (4294752).
Almost surely, 2156490180 is an apocalyptic number.
156490180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 156490180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206148096).
156490180 is an abundant number, since it is smaller than the sum of its proper divisors (255806012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156490180 is a wasteful number, since it uses less digits than its factorization.
156490180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 665 (or 663 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 156490180 is about 12509.6035109031. The cubic root of 156490180 is about 538.8845056898.
The spelling of 156490180 in words is "one hundred fifty-six million, four hundred ninety thousand, one hundred eighty".
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