Base | Representation |
---|---|
bin | 101111101011… |
… | …0110010001000 |
3 | 1202000222102211 |
4 | 1133112302020 |
5 | 22344401000 |
6 | 2251434504 |
7 | 422320360 |
oct | 137266210 |
9 | 52028384 |
10 | 24997000 |
11 | 13123686 |
12 | 8455a34 |
13 | 5242a32 |
14 | 34699a0 |
15 | 22db7ba |
hex | 17d6c88 |
24997000 has 64 divisors (see below), whose sum is σ = 66867840. Its totient is φ = 8568000.
The previous prime is 24996971. The next prime is 24997001. The reversal of 24997000 is 79942.
It is not an unprimeable number, because it can be changed into a prime (24997001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5215 + ... + 8785.
It is an arithmetic number, because the mean of its divisors is an integer number (1044810).
Almost surely, 224997000 is an apocalyptic number.
24997000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 24997000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33433920).
24997000 is an abundant number, since it is smaller than the sum of its proper divisors (41870840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24997000 is a wasteful number, since it uses less digits than its factorization.
24997000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3599 (or 3585 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 24997000 is about 4999.6999909995. The cubic root of 24997000 is about 292.3900772825.
The spelling of 24997000 in words is "twenty-four million, nine hundred ninety-seven thousand".
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