Base | Representation |
---|---|
bin | 1011011011111… |
… | …0010100110011 |
3 | 10100020220021200 |
4 | 2312332110303 |
5 | 44234343431 |
6 | 4432022243 |
7 | 1121462040 |
oct | 266762463 |
9 | 110226250 |
10 | 47965491 |
11 | 25091202 |
12 | 14091983 |
13 | 9c25362 |
14 | 65281c7 |
15 | 4326ee6 |
hex | 2dbe533 |
47965491 has 12 divisors (see below), whose sum is σ = 79181232. Its totient is φ = 27408816.
The previous prime is 47965471. The next prime is 47965493. The reversal of 47965491 is 19456974.
It is not a de Polignac number, because 47965491 - 210 = 47964467 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47965493) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380616 + ... + 380741.
It is an arithmetic number, because the mean of its divisors is an integer number (6598436).
Almost surely, 247965491 is an apocalyptic number.
47965491 is a deficient number, since it is larger than the sum of its proper divisors (31215741).
47965491 is a wasteful number, since it uses less digits than its factorization.
47965491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 761370 (or 761367 counting only the distinct ones).
The product of its digits is 272160, while the sum is 45.
The square root of 47965491 is about 6925.7123099361. The cubic root of 47965491 is about 363.3370046108.
The spelling of 47965491 in words is "forty-seven million, nine hundred sixty-five thousand, four hundred ninety-one".
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