Base | Representation |
---|---|
bin | 1011100111011… |
… | …0111011000101 |
3 | 10101200022110220 |
4 | 2321312323011 |
5 | 44433042410 |
6 | 4500134553 |
7 | 1131061332 |
oct | 271667305 |
9 | 111608426 |
10 | 48721605 |
11 | 25558299 |
12 | 14397459 |
13 | a12b56a |
14 | 6683989 |
15 | 4426070 |
hex | 2e76ec5 |
48721605 has 16 divisors (see below), whose sum is σ = 82057920. Its totient is φ = 24617088.
The previous prime is 48721601. The next prime is 48721619. The reversal of 48721605 is 50612784.
It is not a de Polignac number, because 48721605 - 22 = 48721601 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48721601) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85192 + ... + 85761.
It is an arithmetic number, because the mean of its divisors is an integer number (5128620).
Almost surely, 248721605 is an apocalyptic number.
It is an amenable number.
48721605 is a deficient number, since it is larger than the sum of its proper divisors (33336315).
48721605 is a wasteful number, since it uses less digits than its factorization.
48721605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170980.
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 48721605 is about 6980.0863175179. The cubic root of 48721605 is about 365.2362391344.
The spelling of 48721605 in words is "forty-eight million, seven hundred twenty-one thousand, six hundred five".
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