Base | Representation |
---|---|
bin | 101101101111… |
… | …0010101101111 |
3 | 1200010021112000 |
4 | 1123132111233 |
5 | 22114320000 |
6 | 2213543343 |
7 | 410551500 |
oct | 133362557 |
9 | 50107460 |
10 | 23979375 |
11 | 12599072 |
12 | 8044b53 |
13 | 4c777a4 |
14 | 3282ba7 |
15 | 218a000 |
hex | 16de56f |
23979375 has 120 divisors (see below), whose sum is σ = 53420400. Its totient is φ = 10584000.
The previous prime is 23979343. The next prime is 23979421. The reversal of 23979375 is 57397932.
23979375 = 703 + 713 + ... + 1043.
It is not a de Polignac number, because 23979375 - 25 = 23979343 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 23979375.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 826861 + ... + 826889.
It is an arithmetic number, because the mean of its divisors is an integer number (445170).
Almost surely, 223979375 is an apocalyptic number.
23979375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23979375 is an abundant number, since it is smaller than the sum of its proper divisors (29441025).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23979375 is an equidigital number, since it uses as much as digits as its factorization.
23979375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72 (or 44 counting only the distinct ones).
The product of its digits is 357210, while the sum is 45.
The square root of 23979375 is about 4896.8740028716. The cubic root of 23979375 is about 288.3672614988.
The spelling of 23979375 in words is "twenty-three million, nine hundred seventy-nine thousand, three hundred seventy-five".
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