Base | Representation |
---|---|
bin | 1011011011001… |
… | …1001111001011 |
3 | 10100011120222121 |
4 | 2312303033023 |
5 | 44231420300 |
6 | 4431032111 |
7 | 1121212450 |
oct | 266631713 |
9 | 110146877 |
10 | 47920075 |
11 | 25060075 |
12 | 1406b637 |
13 | 9c0a798 |
14 | 6515827 |
15 | 431881a |
hex | 2db33cb |
47920075 has 36 divisors (see below), whose sum is σ = 70068432. Its totient is φ = 31838400.
The previous prime is 47920073. The next prime is 47920097. The reversal of 47920075 is 57002974.
It is not a de Polignac number, because 47920075 - 21 = 47920073 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 47920075.
It is not an unprimeable number, because it can be changed into a prime (47920073) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 715192 + ... + 715258.
Almost surely, 247920075 is an apocalyptic number.
47920075 is a deficient number, since it is larger than the sum of its proper divisors (22148357).
47920075 is an equidigital number, since it uses as much as digits as its factorization.
47920075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212 (or 140 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 34.
The square root of 47920075 is about 6922.4327371236. The cubic root of 47920075 is about 363.2222935003. Note that the first 4 decimals are identical.
The spelling of 47920075 in words is "forty-seven million, nine hundred twenty thousand, seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •