Base | Representation |
---|---|
bin | 110000000101… |
… | …0110010101110 |
3 | 1202102210122211 |
4 | 1200022302232 |
5 | 22423210110 |
6 | 2300201034 |
7 | 424165426 |
oct | 140126256 |
9 | 52383584 |
10 | 25210030 |
11 | 1325973a |
12 | 853917a |
13 | 52b89a1 |
14 | 34c3486 |
15 | 232e98a |
hex | 180acae |
25210030 has 8 divisors (see below), whose sum is σ = 45378072. Its totient is φ = 10084008.
The previous prime is 25210027. The next prime is 25210067. The reversal of 25210030 is 3001252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×252100302 = 1271091225201800, which contains 22 as substring.
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 3 ways as a sum of consecutive naturals, for example, 1260492 + ... + 1260511.
It is an arithmetic number, because the mean of its divisors is an integer number (5672259).
Almost surely, 225210030 is an apocalyptic number.
25210030 is a deficient number, since it is larger than the sum of its proper divisors (20168042).
25210030 is a wasteful number, since it uses less digits than its factorization.
25210030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2521010.
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 25210030 is about 5020.9590717312. The cubic root of 25210030 is about 293.2183333068.
Adding to 25210030 its reverse (3001252), we get a palindrome (28211282).
The spelling of 25210030 in words is "twenty-five million, two hundred ten thousand, thirty".
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