Base | Representation |
---|---|
bin | 1011011100001… |
… | …0011111100001 |
3 | 10100021202200220 |
4 | 2313002133201 |
5 | 44240420221 |
6 | 4432233253 |
7 | 1121562564 |
oct | 267023741 |
9 | 110252626 |
10 | 47982561 |
11 | 250a3010 |
12 | 1409b829 |
13 | 9c30063 |
14 | 65304db |
15 | 432c0c6 |
hex | 2dc27e1 |
47982561 has 16 divisors (see below), whose sum is σ = 70191360. Its totient is φ = 28914320.
The previous prime is 47982553. The next prime is 47982569. The reversal of 47982561 is 16528974.
It is an interprime number because it is at equal distance from previous prime (47982553) and next prime (47982569).
It is a cyclic number.
It is not a de Polignac number, because 47982561 - 23 = 47982553 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (47982569) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1846 + ... + 9968.
It is an arithmetic number, because the mean of its divisors is an integer number (4386960).
Almost surely, 247982561 is an apocalyptic number.
It is an amenable number.
47982561 is a deficient number, since it is larger than the sum of its proper divisors (22208799).
47982561 is a wasteful number, since it uses less digits than its factorization.
47982561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8316.
The product of its digits is 120960, while the sum is 42.
The square root of 47982561 is about 6926.9445645248. The cubic root of 47982561 is about 363.3801010603.
The spelling of 47982561 in words is "forty-seven million, nine hundred eighty-two thousand, five hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •