Base | Representation |
---|---|
bin | 1011010100011… |
… | …0011110001110 |
3 | 10022022221212120 |
4 | 2311012132032 |
5 | 44123141244 |
6 | 4413313410 |
7 | 1114345560 |
oct | 265063616 |
9 | 108287776 |
10 | 47474574 |
11 | 24886394 |
12 | 13a95866 |
13 | 9ab2a84 |
14 | 643b330 |
15 | 427b819 |
hex | 2d4678e |
47474574 has 32 divisors (see below), whose sum is σ = 114898176. Its totient is φ = 12766080.
The previous prime is 47474573. The next prime is 47474587. The reversal of 47474574 is 47547474.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47474573) 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, 32532 + ... + 33959.
It is an arithmetic number, because the mean of its divisors is an integer number (3590568).
Almost surely, 247474574 is an apocalyptic number.
47474574 is an abundant number, since it is smaller than the sum of its proper divisors (67423602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47474574 is a wasteful number, since it uses less digits than its factorization.
47474574 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66520.
The product of its digits is 439040, while the sum is 42.
The square root of 47474574 is about 6890.1795332197. The cubic root of 47474574 is about 362.0931915175.
Subtracting 47474574 from its reverse (47547474), we obtain a square (72900 = 2702).
The spelling of 47474574 in words is "forty-seven million, four hundred seventy-four thousand, five hundred seventy-four".
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