Base | Representation |
---|---|
bin | 1011010111010… |
… | …1000001100000 |
3 | 10022200122102120 |
4 | 2311311001200 |
5 | 44200241443 |
6 | 4421344240 |
7 | 1116101511 |
oct | 265650140 |
9 | 108618376 |
10 | 47665248 |
11 | 249a6674 |
12 | 13b68080 |
13 | 9b4b7b7 |
14 | 648aa08 |
15 | 42b8083 |
hex | 2d75060 |
47665248 has 48 divisors (see below), whose sum is σ = 125492976. Its totient is φ = 15841280.
The previous prime is 47665231. The next prime is 47665271. The reversal of 47665248 is 84256674.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49540 + ... + 50492.
It is an arithmetic number, because the mean of its divisors is an integer number (2614437).
Almost surely, 247665248 is an apocalyptic number.
47665248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
47665248 is an abundant number, since it is smaller than the sum of its proper divisors (77827728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47665248 is a wasteful number, since it uses less digits than its factorization.
47665248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1487 (or 1479 counting only the distinct ones).
The product of its digits is 322560, while the sum is 42.
The square root of 47665248 is about 6904.0023174967. The cubic root of 47665248 is about 362.5773070160.
The spelling of 47665248 in words is "forty-seven million, six hundred sixty-five thousand, two hundred forty-eight".
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