Base | Representation |
---|---|
bin | 10010100111011… |
… | …10000010111000 |
3 | 101212211222010020 |
4 | 21103232002320 |
5 | 304434224110 |
6 | 23255050440 |
7 | 3604242306 |
oct | 1123560270 |
9 | 355758106 |
10 | 156164280 |
11 | 80172598 |
12 | 44370a20 |
13 | 264798cc |
14 | 16a51276 |
15 | da9ad70 |
hex | 94ee0b8 |
156164280 has 64 divisors (see below), whose sum is σ = 472227840. Its totient is φ = 41311872.
The previous prime is 156164263. The next prime is 156164293. The reversal of 156164280 is 82461651.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10117 + ... + 20363.
It is an arithmetic number, because the mean of its divisors is an integer number (7378560).
Almost surely, 2156164280 is an apocalyptic number.
156164280 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 156164280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236113920).
156164280 is an abundant number, since it is smaller than the sum of its proper divisors (316063560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156164280 is a wasteful number, since it uses less digits than its factorization.
156164280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10388 (or 10384 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 156164280 is about 12496.5707296042. The cubic root of 156164280 is about 538.5101594819.
The spelling of 156164280 in words is "one hundred fifty-six million, one hundred sixty-four thousand, two hundred eighty".
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