Base | Representation |
---|---|
bin | 100111000110011… |
… | …100010010011100 |
3 | 1200201101021001002 |
4 | 213012130102130 |
5 | 2320414001111 |
6 | 145032205432 |
7 | 22153623620 |
oct | 4706342234 |
9 | 1621337032 |
10 | 656000156 |
11 | 307327699 |
12 | 163839878 |
13 | a5ba5096 |
14 | 631a3180 |
15 | 3c8d063b |
hex | 2719c49c |
656000156 has 48 divisors (see below), whose sum is σ = 1385529600. Its totient is φ = 265483008.
The previous prime is 656000153. The next prime is 656000167. The reversal of 656000156 is 651000656.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (656000153) 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, 177455 + ... + 181113.
It is an arithmetic number, because the mean of its divisors is an integer number (28865200).
Almost surely, 2656000156 is an apocalyptic number.
It is a pronic number, being equal to 25612×25613.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 656000156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692764800).
656000156 is an abundant number, since it is smaller than the sum of its proper divisors (729529444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
656000156 is a wasteful number, since it uses less digits than its factorization.
656000156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4026 (or 4024 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 656000156 is about 25612.4999951196. The cubic root of 656000156 is about 868.8963660296.
The spelling of 656000156 in words is "six hundred fifty-six million, one hundred fifty-six", and thus it is an aban number.
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