Base | Representation |
---|---|
bin | 101100100110… |
… | …1111101000110 |
3 | 1122000020021021 |
4 | 1121031331012 |
5 | 21441403344 |
6 | 2153141354 |
7 | 402536341 |
oct | 131157506 |
9 | 48006237 |
10 | 23387974 |
11 | 12224805 |
12 | 79ba85a |
13 | 4acb54c |
14 | 316b458 |
15 | 20beb84 |
hex | 164df46 |
23387974 has 8 divisors (see below), whose sum is σ = 36928440. Its totient is φ = 11078496.
The previous prime is 23387963. The next prime is 23387977. The reversal of 23387974 is 47978332.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 23387974.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23387977) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307699 + ... + 307774.
It is an arithmetic number, because the mean of its divisors is an integer number (4616055).
Almost surely, 223387974 is an apocalyptic number.
23387974 is a deficient number, since it is larger than the sum of its proper divisors (13540466).
23387974 is a wasteful number, since it uses less digits than its factorization.
23387974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615494.
The product of its digits is 254016, while the sum is 43.
The square root of 23387974 is about 4836.1114544642. Note that the first 3 decimals coincide. The cubic root of 23387974 is about 285.9768429585.
The spelling of 23387974 in words is "twenty-three million, three hundred eighty-seven thousand, nine hundred seventy-four".
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