Base | Representation |
---|---|
bin | 1011001110111… |
… | …1111110110001 |
3 | 10021122221220111 |
4 | 2303233332301 |
5 | 44030322210 |
6 | 4401541321 |
7 | 1111341661 |
oct | 263577661 |
9 | 107587814 |
10 | 47120305 |
11 | 24664201 |
12 | 13944841 |
13 | 99ba74b |
14 | 63881a1 |
15 | 420b88a |
hex | 2ceffb1 |
47120305 has 16 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 37094400.
The previous prime is 47120299. The next prime is 47120329. The reversal of 47120305 is 50302174.
It is not a de Polignac number, because 47120305 - 211 = 47118257 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104721 + ... + 105169.
It is an arithmetic number, because the mean of its divisors is an integer number (3591000).
Almost surely, 247120305 is an apocalyptic number.
It is an amenable number.
47120305 is a deficient number, since it is larger than the sum of its proper divisors (10335695).
47120305 is a wasteful number, since it uses less digits than its factorization.
47120305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 744.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 47120305 is about 6864.4231367246. The cubic root of 47120305 is about 361.1902604327.
Adding to 47120305 its reverse (50302174), we get a palindrome (97422479).
The spelling of 47120305 in words is "forty-seven million, one hundred twenty thousand, three hundred five".
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