Base | Representation |
---|---|
bin | 11101100000111… |
… | …11101000000000 |
3 | 122020220001101121 |
4 | 32300133220000 |
5 | 1001340442342 |
6 | 40322442024 |
7 | 6064336600 |
oct | 1660375000 |
9 | 566801347 |
10 | 247593472 |
11 | 11783a705 |
12 | 6ab03314 |
13 | 3c3ac219 |
14 | 24c50c00 |
15 | 16b0b067 |
hex | ec1fa00 |
247593472 has 120 divisors (see below), whose sum is σ = 587774880. Its totient is φ = 103864320.
The previous prime is 247593469. The next prime is 247593481. The reversal of 247593472 is 274395742.
247593472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2475934722 = 122605054754029568, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1781179 + ... + 1781317.
It is an arithmetic number, because the mean of its divisors is an integer number (4898124).
Almost surely, 2247593472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 247593472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293887440).
247593472 is an abundant number, since it is smaller than the sum of its proper divisors (340181408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
247593472 is an equidigital number, since it uses as much as digits as its factorization.
247593472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242 (or 219 counting only the distinct ones).
The product of its digits is 423360, while the sum is 43.
The square root of 247593472 is about 15735.1031772912. The cubic root of 247593472 is about 627.9326472454.
The spelling of 247593472 in words is "two hundred forty-seven million, five hundred ninety-three thousand, four hundred seventy-two".
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