Base | Representation |
---|---|
bin | 101100100110… |
… | …0000110100011 |
3 | 1121222211212021 |
4 | 1121030012203 |
5 | 21441133022 |
6 | 2153042311 |
7 | 402505252 |
oct | 131140643 |
9 | 47884767 |
10 | 23380387 |
11 | 1221a038 |
12 | 79b6397 |
13 | 4ac7c64 |
14 | 3168799 |
15 | 20bc7c7 |
hex | 164c1a3 |
23380387 has 8 divisors (see below), whose sum is σ = 23896832. Its totient is φ = 22869000.
The previous prime is 23380369. The next prime is 23380429. The reversal of 23380387 is 78308332.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23380387 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23380307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8962 + ... + 11272.
It is an arithmetic number, because the mean of its divisors is an integer number (2987104).
Almost surely, 223380387 is an apocalyptic number.
23380387 is a deficient number, since it is larger than the sum of its proper divisors (516445).
23380387 is a wasteful number, since it uses less digits than its factorization.
23380387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2529.
The product of its (nonzero) digits is 24192, while the sum is 34.
The square root of 23380387 is about 4835.3269796364. The cubic root of 23380387 is about 285.9459162244.
The spelling of 23380387 in words is "twenty-three million, three hundred eighty thousand, three hundred eighty-seven".
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