Base | Representation |
---|---|
bin | 101110100001… |
… | …0110100110001 |
3 | 1200220012002221 |
4 | 1131002310301 |
5 | 22221002321 |
6 | 2230441041 |
7 | 414214450 |
oct | 135026461 |
9 | 50805087 |
10 | 24390961 |
11 | 1284a321 |
12 | 8203181 |
13 | 508cc2a |
14 | 334cb97 |
15 | 221be41 |
hex | 1742d31 |
24390961 has 8 divisors (see below), whose sum is σ = 28211904. Its totient is φ = 20654160.
The previous prime is 24390959. The next prime is 24390983. The reversal of 24390961 is 16909342.
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 24390961 - 21 = 24390959 is a prime.
It is not an unprimeable number, because it can be changed into a prime (24390991) 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, 20410 + ... + 21571.
It is an arithmetic number, because the mean of its divisors is an integer number (3526488).
Almost surely, 224390961 is an apocalyptic number.
It is an amenable number.
24390961 is a deficient number, since it is larger than the sum of its proper divisors (3820943).
24390961 is an equidigital number, since it uses as much as digits as its factorization.
24390961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42071.
The product of its (nonzero) digits is 11664, while the sum is 34.
The square root of 24390961 is about 4938.7205833090. The cubic root of 24390961 is about 290.0077722848.
It can be divided in two parts, 243 and 90961, that added together give a square (91204 = 3022).
The spelling of 24390961 in words is "twenty-four million, three hundred ninety thousand, nine hundred sixty-one".
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