Base | Representation |
---|---|
bin | 1011010000101… |
… | …1100110001111 |
3 | 10021212201002001 |
4 | 2310023212033 |
5 | 44042432143 |
6 | 4404213131 |
7 | 1112322526 |
oct | 264134617 |
9 | 107781061 |
10 | 47233423 |
11 | 24731196 |
12 | 1399a1a7 |
13 | 9a2a093 |
14 | 63b74bd |
15 | 423014d |
hex | 2d0b98f |
47233423 has 4 divisors (see below), whose sum is σ = 48510040. Its totient is φ = 45956808.
The previous prime is 47233397. The next prime is 47233427. The reversal of 47233423 is 32433274.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32433274 = 2 ⋅16216637.
It is a cyclic number.
It is not a de Polignac number, because 47233423 - 225 = 13678991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47233391 and 47233400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47233427) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638253 + ... + 638326.
It is an arithmetic number, because the mean of its divisors is an integer number (12127510).
Almost surely, 247233423 is an apocalyptic number.
47233423 is a deficient number, since it is larger than the sum of its proper divisors (1276617).
47233423 is a wasteful number, since it uses less digits than its factorization.
47233423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1276616.
The product of its digits is 12096, while the sum is 28.
The square root of 47233423 is about 6872.6576373336. The cubic root of 47233423 is about 361.4790564501.
Adding to 47233423 its reverse (32433274), we get a palindrome (79666697).
The spelling of 47233423 in words is "forty-seven million, two hundred thirty-three thousand, four hundred twenty-three".
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