Base | Representation |
---|---|
bin | 1011011011111… |
… | …1101000100101 |
3 | 10100021011122021 |
4 | 2312333220211 |
5 | 44240031403 |
6 | 4432103141 |
7 | 1121513500 |
oct | 266775045 |
9 | 110234567 |
10 | 47970853 |
11 | 25095237 |
12 | 14094ab1 |
13 | 9c27928 |
14 | 652a137 |
15 | 43288bd |
hex | 2dbfa25 |
47970853 has 6 divisors (see below), whose sum is σ = 55802886. Its totient is φ = 41117832.
The previous prime is 47970841. The next prime is 47970863. The reversal of 47970853 is 35807974.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 30272004 + 17698849 = 5502^2 + 4207^2 .
It is a de Polignac number, because none of the positive numbers 2k-47970853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47970803) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 489450 + ... + 489547.
It is an arithmetic number, because the mean of its divisors is an integer number (9300481).
Almost surely, 247970853 is an apocalyptic number.
It is an amenable number.
47970853 is a deficient number, since it is larger than the sum of its proper divisors (7832033).
47970853 is an equidigital number, since it uses as much as digits as its factorization.
47970853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 979011 (or 979004 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 43.
The square root of 47970853 is about 6926.0994073143. The cubic root of 47970853 is about 363.3505430971.
The spelling of 47970853 in words is "forty-seven million, nine hundred seventy thousand, eight hundred fifty-three".
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