Base | Representation |
---|---|
bin | 1011010011011… |
… | …0010101101101 |
3 | 10022012121020010 |
4 | 2310312111231 |
5 | 44114032433 |
6 | 4412043433 |
7 | 1113652116 |
oct | 264662555 |
9 | 108177203 |
10 | 47408493 |
11 | 24840780 |
12 | 13a63579 |
13 | 9a8b982 |
14 | 642120d |
15 | 4266e63 |
hex | 2d3656d |
47408493 has 16 divisors (see below), whose sum is σ = 69120000. Its totient is φ = 28664880.
The previous prime is 47408479. The next prime is 47408513. The reversal of 47408493 is 39480474.
It is not a de Polignac number, because 47408493 - 28 = 47408237 is a prime.
It is a super-3 number, since 3×474084933 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47408993) 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, 15028 + ... + 17906.
It is an arithmetic number, because the mean of its divisors is an integer number (4320000).
Almost surely, 247408493 is an apocalyptic number.
It is an amenable number.
47408493 is a deficient number, since it is larger than the sum of its proper divisors (21711507).
47408493 is a wasteful number, since it uses less digits than its factorization.
47408493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3392.
The product of its (nonzero) digits is 96768, while the sum is 39.
The square root of 47408493 is about 6885.3825601778. The cubic root of 47408493 is about 361.9251114379.
The spelling of 47408493 in words is "forty-seven million, four hundred eight thousand, four hundred ninety-three".
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