Base | Representation |
---|---|
bin | 1011001101100… |
… | …0101010000111 |
3 | 10021111002212100 |
4 | 2303120222013 |
5 | 44014243100 |
6 | 4355523143 |
7 | 1110463320 |
oct | 263305207 |
9 | 107432770 |
10 | 47024775 |
11 | 245a9456 |
12 | 138b94b3 |
13 | 9986115 |
14 | 6361447 |
15 | 41dd400 |
hex | 2cd8a87 |
47024775 has 72 divisors (see below), whose sum is σ = 97816160. Its totient is φ = 21150720.
The previous prime is 47024767. The next prime is 47024779. The reversal of 47024775 is 57742074.
It is a happy number.
47024775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47024775 - 23 = 47024767 is a prime.
It is a super-2 number, since 2×470247752 = 4422658927601250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47024779) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114771 + ... + 115179.
Almost surely, 247024775 is an apocalyptic number.
47024775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
47024775 is an abundant number, since it is smaller than the sum of its proper divisors (50791385).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47024775 is a wasteful number, since it uses less digits than its factorization.
47024775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 505 (or 497 counting only the distinct ones).
The product of its (nonzero) digits is 54880, while the sum is 36.
The square root of 47024775 is about 6857.4612649289. The cubic root of 47024775 is about 360.9460072769.
The spelling of 47024775 in words is "forty-seven million, twenty-four thousand, seven hundred seventy-five".
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