Base | Representation |
---|---|
bin | 1011010011110… |
… | …1100011111000 |
3 | 10022021002210122 |
4 | 2310331203320 |
5 | 44121004242 |
6 | 4412432412 |
7 | 1114134263 |
oct | 264754370 |
9 | 108232718 |
10 | 47438072 |
11 | 24860a20 |
12 | 13a78708 |
13 | 9a9c286 |
14 | 642bcda |
15 | 4270ad2 |
hex | 2d3d8f8 |
47438072 has 32 divisors (see below), whose sum is σ = 97297200. Its totient is φ = 21504000.
The previous prime is 47438063. The next prime is 47438089. The reversal of 47438072 is 27083474.
It is a super-3 number, since 3×474380723 (a number of 24 digits) contains 333 as substring.
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, 61304 + ... + 62072.
Almost surely, 247438072 is an apocalyptic number.
It is an amenable number.
47438072 is an abundant number, since it is smaller than the sum of its proper divisors (49859128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47438072 is a wasteful number, since it uses less digits than its factorization.
47438072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1487 (or 1483 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 35.
The square root of 47438072 is about 6887.5301814221. The cubic root of 47438072 is about 362.0003662888. Note that the first 3 decimals are identical.
The spelling of 47438072 in words is "forty-seven million, four hundred thirty-eight thousand, seventy-two".
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