Base | Representation |
---|---|
bin | 1011100110111… |
… | …0111000011001 |
3 | 10101121122021220 |
4 | 2321232320121 |
5 | 44431014130 |
6 | 4455322253 |
7 | 1130563314 |
oct | 271567031 |
9 | 111548256 |
10 | 48688665 |
11 | 25535573 |
12 | 14380389 |
13 | a11957c |
14 | 667597b |
15 | 441b410 |
hex | 2e6ee19 |
48688665 has 32 divisors (see below), whose sum is σ = 79685760. Its totient is φ = 25380864.
The previous prime is 48688643. The next prime is 48688669. The reversal of 48688665 is 56688684.
It is not a de Polignac number, because 48688665 - 215 = 48655897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (48688669) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158442 + ... + 158748.
It is an arithmetic number, because the mean of its divisors is an integer number (2490180).
Almost surely, 248688665 is an apocalyptic number.
It is an amenable number.
48688665 is a deficient number, since it is larger than the sum of its proper divisors (30997095).
48688665 is a wasteful number, since it uses less digits than its factorization.
48688665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521.
The product of its digits is 2211840, while the sum is 51.
The square root of 48688665 is about 6977.7263488904. The cubic root of 48688665 is about 365.1539101961.
The spelling of 48688665 in words is "forty-eight million, six hundred eighty-eight thousand, six hundred sixty-five".
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