Base | Representation |
---|---|
bin | 110000001001… |
… | …0010111010101 |
3 | 1202111101012112 |
4 | 1200102113111 |
5 | 22430203140 |
6 | 2301000405 |
7 | 424355024 |
oct | 140222725 |
9 | 52441175 |
10 | 25241045 |
11 | 1327aa75 |
12 | 8553105 |
13 | 52c9b3b |
14 | 34d08bb |
15 | 2338c65 |
hex | 18125d5 |
25241045 has 8 divisors (see below), whose sum is σ = 30343896. Its totient is φ = 20156416.
The previous prime is 25241033. The next prime is 25241057. The reversal of 25241045 is 54014252.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (25241033) and next prime (25241057).
It can be written as a sum of positive squares in 4 ways, for example, as 10387729 + 14853316 = 3223^2 + 3854^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25241045 is a prime.
It is a super-2 number, since 2×252410452 = 1274220705384050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 25241045.
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 7 ways as a sum of consecutive naturals, for example, 1292 + ... + 7221.
It is an arithmetic number, because the mean of its divisors is an integer number (3792987).
Almost surely, 225241045 is an apocalyptic number.
It is an amenable number.
25241045 is a deficient number, since it is larger than the sum of its proper divisors (5102851).
25241045 is an equidigital number, since it uses as much as digits as its factorization.
25241045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9111.
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 25241045 is about 5024.0466757386. The cubic root of 25241045 is about 293.3385293788.
Adding to 25241045 its reverse (54014252), we get a palindrome (79255297).
The spelling of 25241045 in words is "twenty-five million, two hundred forty-one thousand, forty-five".
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