Base | Representation |
---|---|
bin | 1011010100011… |
… | …1111101000001 |
3 | 10022100021012021 |
4 | 2311013331001 |
5 | 44123340031 |
6 | 4413401441 |
7 | 1114402345 |
oct | 265077501 |
9 | 108307167 |
10 | 47480641 |
11 | 2488a9aa |
12 | 13a99281 |
13 | 9ab5770 |
14 | 643d625 |
15 | 427d511 |
hex | 2d47f41 |
47480641 has 4 divisors (see below), whose sum is σ = 51133012. Its totient is φ = 43828272.
The previous prime is 47480621. The next prime is 47480647. The reversal of 47480641 is 14608474.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9090225 + 38390416 = 3015^2 + 6196^2 .
It is a cyclic number.
It is not a de Polignac number, because 47480641 - 211 = 47478593 is a prime.
It is a super-2 number, since 2×474806412 = 4508822539541762, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47480597 and 47480606.
It is not an unprimeable number, because it can be changed into a prime (47480647) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826166 + ... + 1826191.
It is an arithmetic number, because the mean of its divisors is an integer number (12783253).
Almost surely, 247480641 is an apocalyptic number.
It is an amenable number.
47480641 is a deficient number, since it is larger than the sum of its proper divisors (3652371).
47480641 is a wasteful number, since it uses less digits than its factorization.
47480641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3652370.
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 47480641 is about 6890.6197834447. The cubic root of 47480641 is about 362.1086153934.
The spelling of 47480641 in words is "forty-seven million, four hundred eighty thousand, six hundred forty-one".
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