Base | Representation |
---|---|
bin | 1011010100101… |
… | …1011000001100 |
3 | 10022100222102210 |
4 | 2311023120030 |
5 | 44124312133 |
6 | 4413550420 |
7 | 1114461264 |
oct | 265133014 |
9 | 108328383 |
10 | 47494668 |
11 | 2489a4a1 |
12 | 13aa5410 |
13 | 9abbc70 |
14 | 64447a4 |
15 | 4282763 |
hex | 2d4b60c |
47494668 has 48 divisors (see below), whose sum is σ = 126372960. Its totient is φ = 13753344.
The previous prime is 47494631. The next prime is 47494673. The reversal of 47494668 is 86649474.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6303 + ... + 11606.
It is an arithmetic number, because the mean of its divisors is an integer number (2632770).
Almost surely, 247494668 is an apocalyptic number.
It is an amenable number.
47494668 is an abundant number, since it is smaller than the sum of its proper divisors (78878292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47494668 is a wasteful number, since it uses less digits than its factorization.
47494668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17946 (or 17944 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 48.
The square root of 47494668 is about 6891.6375412524. The cubic root of 47494668 is about 362.1442706088.
It can be divided in two parts, 4749466 and 8, that added together give a palindrome (4749474).
The spelling of 47494668 in words is "forty-seven million, four hundred ninety-four thousand, six hundred sixty-eight".
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