Base | Representation |
---|---|
bin | 1011010100101… |
… | …1001010100001 |
3 | 10022100221020101 |
4 | 2311023022201 |
5 | 44124300133 |
6 | 4413542401 |
7 | 1114455604 |
oct | 265131241 |
9 | 108327211 |
10 | 47493793 |
11 | 24899876 |
12 | 13aa4a01 |
13 | 9abb749 |
14 | 644433b |
15 | 428237d |
hex | 2d4b2a1 |
47493793 has 6 divisors (see below), whose sum is σ = 49188854. Its totient is φ = 45855264.
The previous prime is 47493739. The next prime is 47493811. The reversal of 47493793 is 39739474.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 11888704 + 35605089 = 3448^2 + 5967^2 .
It is not a de Polignac number, because 47493793 - 213 = 47485601 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47493493) 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, 27396 + ... + 29077.
Almost surely, 247493793 is an apocalyptic number.
It is an amenable number.
47493793 is a deficient number, since it is larger than the sum of its proper divisors (1695061).
47493793 is an equidigital number, since it uses as much as digits as its factorization.
47493793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56531 (or 56502 counting only the distinct ones).
The product of its digits is 571536, while the sum is 46.
The square root of 47493793 is about 6891.5740582250. The cubic root of 47493793 is about 362.1420466526.
The spelling of 47493793 in words is "forty-seven million, four hundred ninety-three thousand, seven hundred ninety-three".
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