Base | Representation |
---|---|
bin | 101100010010… |
… | …1001010101011 |
3 | 1121200202002121 |
4 | 1120211022223 |
5 | 21421032112 |
6 | 2145412111 |
7 | 401242303 |
oct | 130451253 |
9 | 47622077 |
10 | 23220907 |
11 | 12120236 |
12 | 793a037 |
13 | 4a704a8 |
14 | 3126603 |
15 | 208a407 |
hex | 16252ab |
23220907 has 8 divisors (see below), whose sum is σ = 24514560. Its totient is φ = 21934440.
The previous prime is 23220889. The next prime is 23220917. The reversal of 23220907 is 70902232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23220907 - 211 = 23218859 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23220917) 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, 5682 + ... + 8872.
It is an arithmetic number, because the mean of its divisors is an integer number (3064320).
Almost surely, 223220907 is an apocalyptic number.
23220907 is a deficient number, since it is larger than the sum of its proper divisors (1293653).
23220907 is a wasteful number, since it uses less digits than its factorization.
23220907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3593.
The product of its (nonzero) digits is 1512, while the sum is 25.
The square root of 23220907 is about 4818.8076325996. The cubic root of 23220907 is about 285.2942769363.
The spelling of 23220907 in words is "twenty-three million, two hundred twenty thousand, nine hundred seven".
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