Base | Representation |
---|---|
bin | 101111101100… |
… | …0000000011100 |
3 | 1202001020022110 |
4 | 1133120000130 |
5 | 22400031022 |
6 | 2251514020 |
7 | 422341110 |
oct | 137300034 |
9 | 52036273 |
10 | 25002012 |
11 | 13127422 |
12 | 8458910 |
13 | 52450b9 |
14 | 346b740 |
15 | 22dd00c |
hex | 17d801c |
25002012 has 48 divisors (see below), whose sum is σ = 69576192. Its totient is φ = 6832320.
The previous prime is 25002001. The next prime is 25002037. The reversal of 25002012 is 21020052.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4539 + ... + 8402.
It is an arithmetic number, because the mean of its divisors is an integer number (1449504).
Almost surely, 225002012 is an apocalyptic number.
It is an amenable number.
25002012 is an abundant number, since it is smaller than the sum of its proper divisors (44574180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25002012 is a wasteful number, since it uses less digits than its factorization.
25002012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12978 (or 12976 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 12.
The square root of 25002012 is about 5000.2011959520. The cubic root of 25002012 is about 292.4096177758.
Adding to 25002012 its reverse (21020052), we get a palindrome (46022064).
The spelling of 25002012 in words is "twenty-five million, two thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •