Base | Representation |
---|---|
bin | 1010111011111… |
… | …1110011111111 |
3 | 10012022122220000 |
4 | 2232333303333 |
5 | 43220440211 |
6 | 4315125343 |
7 | 1064632461 |
oct | 256776377 |
9 | 105278800 |
10 | 45874431 |
11 | 23993159 |
12 | 13443853 |
13 | 9672645 |
14 | 6142131 |
15 | 4062656 |
hex | 2bbfcff |
45874431 has 40 divisors (see below), whose sum is σ = 71089920. Its totient is φ = 29467152.
The previous prime is 45874391. The next prime is 45874459. The reversal of 45874431 is 13447854.
45874431 is a `hidden beast` number, since 4 + 587 + 44 + 31 = 666.
It is not a de Polignac number, because 45874431 - 210 = 45873407 is a prime.
It is a super-2 number, since 2×458744312 = 4208926839147522, which contains 22 as substring.
Its product of digits (53760) is a multiple of the sum of its prime divisors (256).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45874471) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 428680 + ... + 428786.
It is an arithmetic number, because the mean of its divisors is an integer number (1777248).
Almost surely, 245874431 is an apocalyptic number.
45874431 is a deficient number, since it is larger than the sum of its proper divisors (25215489).
45874431 is a wasteful number, since it uses less digits than its factorization.
45874431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265 (or 256 counting only the distinct ones).
The product of its digits is 53760, while the sum is 36.
The square root of 45874431 is about 6773.0665875953. The cubic root of 45874431 is about 357.9784611949.
The spelling of 45874431 in words is "forty-five million, eight hundred seventy-four thousand, four hundred thirty-one".
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