Base | Representation |
---|---|
bin | 110000000111… |
… | …1101001001101 |
3 | 1202110210220210 |
4 | 1200033221031 |
5 | 22424324101 |
6 | 2300433033 |
7 | 424310364 |
oct | 140175115 |
9 | 52423823 |
10 | 25229901 |
11 | 13272664 |
12 | 8548779 |
13 | 52c4a48 |
14 | 34ca7db |
15 | 23357d6 |
hex | 180fa4d |
25229901 has 8 divisors (see below), whose sum is σ = 33973344. Its totient is φ = 16653200.
The previous prime is 25229899. The next prime is 25229909. The reversal of 25229901 is 10992252.
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 25229901 - 21 = 25229899 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25229909) 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, 41331 + ... + 41936.
It is an arithmetic number, because the mean of its divisors is an integer number (4246668).
Almost surely, 225229901 is an apocalyptic number.
It is an amenable number.
25229901 is a deficient number, since it is larger than the sum of its proper divisors (8743443).
25229901 is a wasteful number, since it uses less digits than its factorization.
25229901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83371.
The product of its (nonzero) digits is 3240, while the sum is 30.
The square root of 25229901 is about 5022.9374871682. The cubic root of 25229901 is about 293.2953530658.
The spelling of 25229901 in words is "twenty-five million, two hundred twenty-nine thousand, nine hundred one".
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