Base | Representation |
---|---|
bin | 110000010100… |
… | …1011001010101 |
3 | 1202200011121110 |
4 | 1200221121111 |
5 | 22441213011 |
6 | 2303005233 |
7 | 425230041 |
oct | 140513125 |
9 | 52604543 |
10 | 25335381 |
11 | 13334935 |
12 | 8599819 |
13 | 5330a66 |
14 | 3517021 |
15 | 2356ba6 |
hex | 1829655 |
25335381 has 8 divisors (see below), whose sum is σ = 33822144. Its totient is φ = 16869440.
The previous prime is 25335377. The next prime is 25335383. The reversal of 25335381 is 18353352.
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 25335381 - 22 = 25335377 is a prime.
It is a super-2 number, since 2×253353812 = 1283763060830322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25335383) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 2100 + ... + 7421.
It is an arithmetic number, because the mean of its divisors is an integer number (4227768).
Almost surely, 225335381 is an apocalyptic number.
It is an amenable number.
25335381 is a deficient number, since it is larger than the sum of its proper divisors (8486763).
25335381 is an equidigital number, since it uses as much as digits as its factorization.
25335381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10411.
The product of its digits is 10800, while the sum is 30.
The square root of 25335381 is about 5033.4263677936. The cubic root of 25335381 is about 293.7035166527.
The spelling of 25335381 in words is "twenty-five million, three hundred thirty-five thousand, three hundred eighty-one".
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