Base | Representation |
---|---|
bin | 101111110001… |
… | …1100001110001 |
3 | 1202010122001012 |
4 | 1133203201301 |
5 | 22403033301 |
6 | 2252520305 |
7 | 422625512 |
oct | 137434161 |
9 | 52118035 |
10 | 25049201 |
11 | 13159921 |
12 | 8480095 |
13 | 5260718 |
14 | 3480a09 |
15 | 22ebebb |
hex | 17e3871 |
25049201 has 4 divisors (see below), whose sum is σ = 26367600. Its totient is φ = 23730804.
The previous prime is 25049197. The next prime is 25049203. The reversal of 25049201 is 10294052.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 25049201 - 22 = 25049197 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25049203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659171 + ... + 659208.
It is an arithmetic number, because the mean of its divisors is an integer number (6591900).
Almost surely, 225049201 is an apocalyptic number.
It is an amenable number.
25049201 is a deficient number, since it is larger than the sum of its proper divisors (1318399).
25049201 is a wasteful number, since it uses less digits than its factorization.
25049201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1318398.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 25049201 is about 5004.9176816407. The cubic root of 25049201 is about 292.5934675849.
The spelling of 25049201 in words is "twenty-five million, forty-nine thousand, two hundred one".
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