Base | Representation |
---|---|
bin | 1011011100001… |
… | …1001101100011 |
3 | 10100021220202000 |
4 | 2313003031203 |
5 | 44241014012 |
6 | 4432255043 |
7 | 1121604303 |
oct | 267031543 |
9 | 110256660 |
10 | 47985507 |
11 | 250a5249 |
12 | 140a1483 |
13 | 9c314bb |
14 | 6531603 |
15 | 432cddc |
hex | 2dc3363 |
47985507 has 32 divisors (see below), whose sum is σ = 75744000. Its totient is φ = 29937600.
The previous prime is 47985451. The next prime is 47985533. The reversal of 47985507 is 70558974.
47985507 is a `hidden beast` number, since 4 + 7 + 98 + 550 + 7 = 666.
It is not a de Polignac number, because 47985507 - 28 = 47985251 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47985547) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45132 + ... + 46182.
It is an arithmetic number, because the mean of its divisors is an integer number (2367000).
Almost surely, 247985507 is an apocalyptic number.
47985507 is a deficient number, since it is larger than the sum of its proper divisors (27758493).
47985507 is a wasteful number, since it uses less digits than its factorization.
47985507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1168 (or 1162 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 45.
The square root of 47985507 is about 6927.1572091299. The cubic root of 47985507 is about 363.3875377612.
The spelling of 47985507 in words is "forty-seven million, nine hundred eighty-five thousand, five hundred seven".
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