Base | Representation |
---|---|
bin | 10010101100100… |
… | …00110101001000 |
3 | 101221002211202100 |
4 | 21112100311020 |
5 | 310122043143 |
6 | 23321233400 |
7 | 3613020243 |
oct | 1126206510 |
9 | 357084670 |
10 | 156831048 |
11 | 80588540 |
12 | 44632860 |
13 | 2665124a |
14 | 16b8625a |
15 | db7d6d3 |
hex | 9590d48 |
156831048 has 96 divisors (see below), whose sum is σ = 470059200. Its totient is φ = 46838400.
The previous prime is 156831041. The next prime is 156831067. The reversal of 156831048 is 840138651.
156831048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (156831041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54838 + ... + 57626.
It is an arithmetic number, because the mean of its divisors is an integer number (4896450).
Almost surely, 2156831048 is an apocalyptic number.
156831048 is a gapful number since it is divisible by the number (18) 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 156831048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235029600).
156831048 is an abundant number, since it is smaller than the sum of its proper divisors (313228152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156831048 is a wasteful number, since it uses less digits than its factorization.
156831048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2883 (or 2876 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 156831048 is about 12523.2203526090. The cubic root of 156831048 is about 539.2754892738.
Adding to 156831048 its reverse (840138651), we get a palindrome (996969699).
The spelling of 156831048 in words is "one hundred fifty-six million, eight hundred thirty-one thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •