Base | Representation |
---|---|
bin | 101101110000… |
… | …1001010111111 |
3 | 1200010212102122 |
4 | 1123201022333 |
5 | 22120202400 |
6 | 2214113155 |
7 | 410630351 |
oct | 133411277 |
9 | 50125378 |
10 | 23990975 |
11 | 125a6858 |
12 | 804b7bb |
13 | 4c7cb58 |
14 | 32870d1 |
15 | 218d685 |
hex | 16e12bf |
23990975 has 12 divisors (see below), whose sum is σ = 30775560. Its totient is φ = 18530400.
The previous prime is 23990969. The next prime is 23991041. The reversal of 23990975 is 57909932.
It is not a de Polignac number, because 23990975 - 222 = 19796671 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15821 + ... + 17270.
It is an arithmetic number, because the mean of its divisors is an integer number (2564630).
Almost surely, 223990975 is an apocalyptic number.
23990975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23990975 is a deficient number, since it is larger than the sum of its proper divisors (6784585).
23990975 is a wasteful number, since it uses less digits than its factorization.
23990975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33130 (or 33125 counting only the distinct ones).
The product of its (nonzero) digits is 153090, while the sum is 44.
The square root of 23990975 is about 4898.0582887508. The cubic root of 23990975 is about 288.4137531330.
The spelling of 23990975 in words is "twenty-three million, nine hundred ninety thousand, nine hundred seventy-five".
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