Base | Representation |
---|---|
bin | 10010100111111… |
… | …11110010000000 |
3 | 101212222122202220 |
4 | 21103333302000 |
5 | 304444040203 |
6 | 23300411040 |
7 | 3604664151 |
oct | 1123776200 |
9 | 355878686 |
10 | 156236928 |
11 | 80212131 |
12 | 443a6a80 |
13 | 264a39b3 |
14 | 16a6d928 |
15 | dab2653 |
hex | 94ffc80 |
156236928 has 64 divisors (see below), whose sum is σ = 417506400. Its totient is φ = 51765248.
The previous prime is 156236923. The next prime is 156236939. The reversal of 156236928 is 829632651.
156236928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 156236928.
It is not an unprimeable number, because it can be changed into a prime (156236923) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67600 + ... + 69872.
Almost surely, 2156236928 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 156236928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208753200).
156236928 is an abundant number, since it is smaller than the sum of its proper divisors (261269472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156236928 is a wasteful number, since it uses less digits than its factorization.
156236928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2469 (or 2457 counting only the distinct ones).
The product of its digits is 155520, while the sum is 42.
The square root of 156236928 is about 12499.4771090634. The cubic root of 156236928 is about 538.5936519449.
The spelling of 156236928 in words is "one hundred fifty-six million, two hundred thirty-six thousand, nine hundred twenty-eight".
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