Base | Representation |
---|---|
bin | 101100000010… |
… | …0101110101111 |
3 | 1121102222211212 |
4 | 1120010232233 |
5 | 21402304142 |
6 | 2142505035 |
7 | 400150043 |
oct | 130045657 |
9 | 47388755 |
10 | 23088047 |
11 | 1203a434 |
12 | 789517b |
13 | 4a24b88 |
14 | 30d0023 |
15 | 2060d82 |
hex | 1604baf |
23088047 has 4 divisors (see below), whose sum is σ = 23292480. Its totient is φ = 22883616.
The previous prime is 23088017. The next prime is 23088071. The reversal of 23088047 is 74088032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23088047 - 220 = 22039471 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 (23088017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102047 + ... + 102272.
It is an arithmetic number, because the mean of its divisors is an integer number (5823120).
Almost surely, 223088047 is an apocalyptic number.
23088047 is a deficient number, since it is larger than the sum of its proper divisors (204433).
23088047 is a wasteful number, since it uses less digits than its factorization.
23088047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204432.
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 23088047 is about 4805.0022892815. The cubic root of 23088047 is about 284.7491256956.
The spelling of 23088047 in words is "twenty-three million, eighty-eight thousand, forty-seven".
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