Base | Representation |
---|---|
bin | 1011101001110… |
… | …1010010001011 |
3 | 10101222022000101 |
4 | 2322131102023 |
5 | 100003104411 |
6 | 4503350231 |
7 | 1132314406 |
oct | 272352213 |
9 | 111868011 |
10 | 48878731 |
11 | 25655350 |
12 | 14452377 |
13 | a184c35 |
14 | 66c4d3d |
15 | 44578c1 |
hex | 2e9d48b |
48878731 has 8 divisors (see below), whose sum is σ = 54457344. Its totient is φ = 43489320.
The previous prime is 48878719. The next prime is 48878737. The reversal of 48878731 is 13787884.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 48878731 - 215 = 48845963 is a prime.
It is a super-2 number, since 2×488787312 = 4778260688340722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48878737) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46755 + ... + 47788.
It is an arithmetic number, because the mean of its divisors is an integer number (6807168).
Almost surely, 248878731 is an apocalyptic number.
48878731 is a deficient number, since it is larger than the sum of its proper divisors (5578613).
48878731 is a wasteful number, since it uses less digits than its factorization.
48878731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94601.
The product of its digits is 301056, while the sum is 46.
The square root of 48878731 is about 6991.3325625377. The cubic root of 48878731 is about 365.6284438373.
The spelling of 48878731 in words is "forty-eight million, eight hundred seventy-eight thousand, seven hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •