Base | Representation |
---|---|
bin | 10010110001011… |
… | …11100000100000 |
3 | 101222022212022100 |
4 | 21120233200200 |
5 | 310303342432 |
6 | 23343210400 |
7 | 3621365154 |
oct | 1130574040 |
9 | 358285270 |
10 | 157480992 |
11 | 80991889 |
12 | 448a6a00 |
13 | 2681b026 |
14 | 16cb5064 |
15 | dc5b07c |
hex | 962f820 |
157480992 has 108 divisors (see below), whose sum is σ = 463562190. Its totient is φ = 50711040.
The previous prime is 157480969. The next prime is 157481003. The reversal of 157480992 is 299084751.
It can be written as a sum of positive squares in only one way, i.e., 150700176 + 6780816 = 12276^2 + 2604^2 .
It is an unprimeable number.
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 17 ways as a sum of consecutive naturals, for example, 276484 + ... + 277052.
Almost surely, 2157480992 is an apocalyptic number.
157480992 is a gapful number since it is divisible by the number (12) 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 157480992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231781095).
157480992 is an abundant number, since it is smaller than the sum of its proper divisors (306081198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157480992 is a wasteful number, since it uses less digits than its factorization.
157480992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 647 (or 605 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The square root of 157480992 is about 12549.1430783142. The cubic root of 157480992 is about 540.0194231697.
The spelling of 157480992 in words is "one hundred fifty-seven million, four hundred eighty thousand, nine hundred ninety-two".
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