Base | Representation |
---|---|
bin | 101100111111… |
… | …1010111101101 |
3 | 1122101111220211 |
4 | 1121333113231 |
5 | 22014343011 |
6 | 2201342421 |
7 | 404341423 |
oct | 131772755 |
9 | 48344824 |
10 | 23590381 |
11 | 12352891 |
12 | 7a97a11 |
13 | 4b6c709 |
14 | 31c1113 |
15 | 210eb21 |
hex | 167f5ed |
23590381 has 8 divisors (see below), whose sum is σ = 25361280. Its totient is φ = 21872448.
The previous prime is 23590379. The next prime is 23590439. The reversal of 23590381 is 18309532.
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 not a de Polignac number, because 23590381 - 21 = 23590379 is a prime.
It is a super-2 number, since 2×235903812 = 1113012151450322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23590321) 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, 12316 + ... + 14101.
It is an arithmetic number, because the mean of its divisors is an integer number (3170160).
Almost surely, 223590381 is an apocalyptic number.
It is an amenable number.
23590381 is a deficient number, since it is larger than the sum of its proper divisors (1770899).
23590381 is a wasteful number, since it uses less digits than its factorization.
23590381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26483.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 23590381 is about 4856.9929997891. The cubic root of 23590381 is about 286.7994527850.
The spelling of 23590381 in words is "twenty-three million, five hundred ninety thousand, three hundred eighty-one".
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