Base | Representation |
---|---|
bin | 1011010011111… |
… | …1000000000001 |
3 | 10022021101220001 |
4 | 2310333000001 |
5 | 44121201334 |
6 | 4412520001 |
7 | 1114160416 |
oct | 264770001 |
9 | 108241801 |
10 | 47443969 |
11 | 248653a1 |
12 | 13a80001 |
13 | 9aa1b71 |
14 | 643010d |
15 | 4272714 |
hex | 2d3f001 |
47443969 has 8 divisors (see below), whose sum is σ = 50014080. Its totient is φ = 44881200.
The previous prime is 47443943. The next prime is 47443993. The reversal of 47443969 is 96934474.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47443969 - 25 = 47443937 is a prime.
It is a super-2 number, since 2×474439692 = 4501860388945922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47443939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15939 + ... + 18679.
It is an arithmetic number, because the mean of its divisors is an integer number (6251760).
Almost surely, 247443969 is an apocalyptic number.
It is an amenable number.
47443969 is a deficient number, since it is larger than the sum of its proper divisors (2570111).
47443969 is a wasteful number, since it uses less digits than its factorization.
47443969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3671.
The product of its digits is 653184, while the sum is 46.
The square root of 47443969 is about 6887.9582606169. The cubic root of 47443969 is about 362.0153656878.
The spelling of 47443969 in words is "forty-seven million, four hundred forty-three thousand, nine hundred sixty-nine".
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