Base | Representation |
---|---|
bin | 1010101111000… |
… | …0100101011111 |
3 | 10010201112112222 |
4 | 2223300211133 |
5 | 43011310011 |
6 | 4245015555 |
7 | 1054466030 |
oct | 253604537 |
9 | 103645488 |
10 | 45025631 |
11 | 23463472 |
12 | 130b45bb |
13 | 94361b1 |
14 | 5da0a87 |
15 | 3e45ddb |
hex | 2af095f |
45025631 has 8 divisors (see below), whose sum is σ = 51563040. Its totient is φ = 38514528.
The previous prime is 45025627. The next prime is 45025637. The reversal of 45025631 is 13652054.
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 45025631 - 22 = 45025627 is a prime.
It is a super-2 number, since 2×450256312 = 4054614893896322, 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 45025631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45025637) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2756 + ... + 9881.
It is an arithmetic number, because the mean of its divisors is an integer number (6445380).
Almost surely, 245025631 is an apocalyptic number.
45025631 is a deficient number, since it is larger than the sum of its proper divisors (6537409).
45025631 is a wasteful number, since it uses less digits than its factorization.
45025631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13153.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 45025631 is about 6710.1140824877. The cubic root of 45025631 is about 355.7568485445.
Adding to 45025631 its reverse (13652054), we get a palindrome (58677685).
The spelling of 45025631 in words is "forty-five million, twenty-five thousand, six hundred thirty-one".
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