Base | Representation |
---|---|
bin | 1011011110100… |
… | …0110111101100 |
3 | 10100120202022221 |
4 | 2313220313230 |
5 | 44310433011 |
6 | 4435445124 |
7 | 1123116100 |
oct | 267506754 |
9 | 110522287 |
10 | 48139756 |
11 | 251a0125 |
12 | 141567a4 |
13 | 9c86782 |
14 | 6571900 |
15 | 435d971 |
hex | 2de8dec |
48139756 has 36 divisors (see below), whose sum is σ = 99271200. Its totient is φ = 20363616.
The previous prime is 48139727. The next prime is 48139769. The reversal of 48139756 is 65793184.
It is a super-2 number, since 2×481397562 = 4634872215479072, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13930 + ... + 17038.
Almost surely, 248139756 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 48139756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49635600).
48139756 is an abundant number, since it is smaller than the sum of its proper divisors (51131444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48139756 is a wasteful number, since it uses less digits than its factorization.
48139756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3206 (or 3197 counting only the distinct ones).
The product of its digits is 181440, while the sum is 43.
The square root of 48139756 is about 6938.2819198992. The cubic root of 48139756 is about 363.7764900033.
The spelling of 48139756 in words is "forty-eight million, one hundred thirty-nine thousand, seven hundred fifty-six".
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