Base | Representation |
---|---|
bin | 101111101110… |
… | …0011011100010 |
3 | 1202002011011111 |
4 | 1133130123202 |
5 | 22401121010 |
6 | 2252133534 |
7 | 422444662 |
oct | 137343342 |
9 | 52064144 |
10 | 25020130 |
11 | 13139aa3 |
12 | 84672aa |
13 | 5250415 |
14 | 34741a2 |
15 | 22e358a |
hex | 17dc6e2 |
25020130 has 16 divisors (see below), whose sum is σ = 45800640. Its totient is φ = 9838192.
The previous prime is 25020097. The next prime is 25020133. The reversal of 25020130 is 3102052.
It is a self number, because there is not a number n which added to its sum of digits gives 25020130.
It is not an unprimeable number, because it can be changed into a prime (25020133) 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, 20614 + ... + 21793.
It is an arithmetic number, because the mean of its divisors is an integer number (2862540).
Almost surely, 225020130 is an apocalyptic number.
25020130 is a deficient number, since it is larger than the sum of its proper divisors (20780510).
25020130 is a wasteful number, since it uses less digits than its factorization.
25020130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42473.
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 25020130 is about 5002.0125949462. The cubic root of 25020130 is about 292.4802334026.
Adding to 25020130 its reverse (3102052), we get a palindrome (28122182).
The spelling of 25020130 in words is "twenty-five million, twenty thousand, one hundred thirty".
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