Base | Representation |
---|---|
bin | 101111101100… |
… | …0000001101011 |
3 | 1202001020102101 |
4 | 1133120001223 |
5 | 22400031331 |
6 | 2251514231 |
7 | 422341252 |
oct | 137300153 |
9 | 52036371 |
10 | 25002091 |
11 | 13127494 |
12 | 8458977 |
13 | 524514a |
14 | 346b799 |
15 | 22dd061 |
hex | 17d806b |
25002091 has 8 divisors (see below), whose sum is σ = 25288704. Its totient is φ = 24717480.
The previous prime is 25002083. The next prime is 25002097. The reversal of 25002091 is 19020052.
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 25002091 - 23 = 25002083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25002097) 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 7 ways as a sum of consecutive naturals, for example, 42300 + ... + 42886.
It is an arithmetic number, because the mean of its divisors is an integer number (3161088).
Almost surely, 225002091 is an apocalyptic number.
25002091 is a deficient number, since it is larger than the sum of its proper divisors (286613).
25002091 is a wasteful number, since it uses less digits than its factorization.
25002091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1001.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 25002091 is about 5000.2090956279. The cubic root of 25002091 is about 292.4099257555.
The spelling of 25002091 in words is "twenty-five million, two thousand, ninety-one".
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