Base | Representation |
---|---|
bin | 10010110000110… |
… | …01001101010000 |
3 | 101222011020000020 |
4 | 21120121031100 |
5 | 310242432043 |
6 | 23341223440 |
7 | 3620534643 |
oct | 1130311520 |
9 | 358136006 |
10 | 157389648 |
11 | 8092a199 |
12 | 44861b80 |
13 | 267b8590 |
14 | 16c8da5a |
15 | dc3de83 |
hex | 9619350 |
157389648 has 80 divisors (see below), whose sum is σ = 446221440. Its totient is φ = 47503872.
The previous prime is 157389623. The next prime is 157389649. The reversal of 157389648 is 846983751.
It is a super-3 number, since 3×1573896483 (a number of 26 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 157389648.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157389649) 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 15 ways as a sum of consecutive naturals, for example, 30693 + ... + 35451.
It is an arithmetic number, because the mean of its divisors is an integer number (5577768).
Almost surely, 2157389648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157389648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223110720).
157389648 is an abundant number, since it is smaller than the sum of its proper divisors (288831792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157389648 is a wasteful number, since it uses less digits than its factorization.
157389648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4836 (or 4830 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 51.
The square root of 157389648 is about 12545.5030987203. The cubic root of 157389648 is about 539.9149934777.
The spelling of 157389648 in words is "one hundred fifty-seven million, three hundred eighty-nine thousand, six hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •