Base | Representation |
---|---|
bin | 1011011010100… |
… | …1110010011110 |
3 | 10100002121220020 |
4 | 2312221302132 |
5 | 44224200444 |
6 | 4430133010 |
7 | 1120661562 |
oct | 266516236 |
9 | 110077806 |
10 | 47881374 |
11 | 25033a92 |
12 | 14051166 |
13 | 9bc5c98 |
14 | 65056a2 |
15 | 430c119 |
hex | 2da9c9e |
47881374 has 16 divisors (see below), whose sum is σ = 95927808. Its totient is φ = 15932952.
The previous prime is 47881343. The next prime is 47881409. The reversal of 47881374 is 47318874.
It is a super-2 number, since 2×478813742 = 4585251952255752, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2932 + ... + 10215.
It is an arithmetic number, because the mean of its divisors is an integer number (5995488).
Almost surely, 247881374 is an apocalyptic number.
47881374 is an abundant number, since it is smaller than the sum of its proper divisors (48046434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47881374 is a wasteful number, since it uses less digits than its factorization.
47881374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13759.
The product of its digits is 150528, while the sum is 42.
The square root of 47881374 is about 6919.6368401817. The cubic root of 47881374 is about 363.1244858354.
Subtracting from 47881374 its reverse (47318874), we obtain a square (562500 = 7502).
The spelling of 47881374 in words is "forty-seven million, eight hundred eighty-one thousand, three hundred seventy-four".
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