Base | Representation |
---|---|
bin | 101011111100… |
… | …1111111110111 |
3 | 1121100202112201 |
4 | 1113321333313 |
5 | 21344402322 |
6 | 2141525331 |
7 | 366604633 |
oct | 127717767 |
9 | 47322481 |
10 | 23044087 |
11 | 1200a400 |
12 | 7873847 |
13 | 4a0ab71 |
14 | 30bbdc3 |
15 | 2052d27 |
hex | 15f9ff7 |
23044087 has 18 divisors (see below), whose sum is σ = 26183976. Its totient is φ = 20263320.
The previous prime is 23044069. The next prime is 23044097. The reversal of 23044087 is 78044032.
It is a de Polignac number, because none of the positive numbers 2k-23044087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23044057) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 223678 + ... + 223780.
Almost surely, 223044087 is an apocalyptic number.
23044087 is a deficient number, since it is larger than the sum of its proper divisors (3139889).
23044087 is a wasteful number, since it uses less digits than its factorization.
23044087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211 (or 157 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 23044087 is about 4800.4257102886. The cubic root of 23044087 is about 284.5682886225.
Subtracting 23044087 from its reverse (78044032), we obtain a palindrome (54999945).
The spelling of 23044087 in words is "twenty-three million, forty-four thousand, eighty-seven".
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