Base | Representation |
---|---|
bin | 101011111101… |
… | …0011001101011 |
3 | 1121100211210220 |
4 | 1113322121223 |
5 | 21344430424 |
6 | 2141541123 |
7 | 366612513 |
oct | 127723153 |
9 | 47324726 |
10 | 23045739 |
11 | 12010672 |
12 | 78747a3 |
13 | 4a0b842 |
14 | 30bc843 |
15 | 2053579 |
hex | 15fa66b |
23045739 has 8 divisors (see below), whose sum is σ = 31231632. Its totient is φ = 15111840.
The previous prime is 23045723. The next prime is 23045753. The reversal of 23045739 is 93754032.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23045739 - 24 = 23045723 is a prime.
It is a super-2 number, since 2×230457392 = 1062212172112242, which contains 22 as substring.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (23045719) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62784 + ... + 63149.
It is an arithmetic number, because the mean of its divisors is an integer number (3903954).
Almost surely, 223045739 is an apocalyptic number.
23045739 is a deficient number, since it is larger than the sum of its proper divisors (8185893).
23045739 is a wasteful number, since it uses less digits than its factorization.
23045739 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125997.
The product of its (nonzero) digits is 22680, while the sum is 33.
The square root of 23045739 is about 4800.5977752776. The cubic root of 23045739 is about 284.5750885676.
The spelling of 23045739 in words is "twenty-three million, forty-five thousand, seven hundred thirty-nine".
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