Base | Representation |
---|---|
bin | 1011010000100… |
… | …1011010100000 |
3 | 10021212020210211 |
4 | 2310021122200 |
5 | 44042140410 |
6 | 4404103504 |
7 | 1112254462 |
oct | 264113240 |
9 | 107766724 |
10 | 47224480 |
11 | 247254a6 |
12 | 13994b94 |
13 | 9a25ca4 |
14 | 63b4132 |
15 | 422c68a |
hex | 2d096a0 |
47224480 has 24 divisors (see below), whose sum is σ = 111568212. Its totient is φ = 18889728.
The previous prime is 47224477. The next prime is 47224483. The reversal of 47224480 is 8442274.
It is an interprime number because it is at equal distance from previous prime (47224477) and next prime (47224483).
It can be written as a sum of positive squares in 2 ways, for example, as 46949904 + 274576 = 6852^2 + 524^2 .
It is a super-2 number, since 2×472244802 = 4460303022540800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47224483) 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, 147417 + ... + 147736.
Almost surely, 247224480 is an apocalyptic number.
47224480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47224480 is an abundant number, since it is smaller than the sum of its proper divisors (64343732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47224480 is a wasteful number, since it uses less digits than its factorization.
47224480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295168 (or 295160 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 31.
The square root of 47224480 is about 6872.0069848626. The cubic root of 47224480 is about 361.4562413117.
The spelling of 47224480 in words is "forty-seven million, two hundred twenty-four thousand, four hundred eighty".
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