Base | Representation |
---|---|
bin | 10010101101001… |
… | …10100011000000 |
3 | 101221021100202212 |
4 | 21112212203000 |
5 | 310132420000 |
6 | 23323201252 |
7 | 3613540466 |
oct | 1126464300 |
9 | 357240685 |
10 | 156920000 |
11 | 80639356 |
12 | 44676228 |
13 | 26682893 |
14 | 16baa836 |
15 | db99c35 |
hex | 95a68c0 |
156920000 has 70 divisors (see below), whose sum is σ = 389209788. Its totient is φ = 62752000.
The previous prime is 156919969. The next prime is 156920003. The reversal of 156920000 is 29651.
It is not an unprimeable number, because it can be changed into a prime (156920003) 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 9 ways as a sum of consecutive naturals, for example, 38039 + ... + 41961.
Almost surely, 2156920000 is an apocalyptic number.
156920000 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 156920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194604894).
156920000 is an abundant number, since it is smaller than the sum of its proper divisors (232289788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156920000 is an frugal number, since it uses more digits than its factorization.
156920000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3955 (or 3930 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 156920000 is about 12526.7713318317. The cubic root of 156920000 is about 539.3774260769.
Adding to 156920000 its reverse (29651), we get a palindrome (156949651).
The spelling of 156920000 in words is "one hundred fifty-six million, nine hundred twenty thousand".
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