Base | Representation |
---|---|
bin | 11010100001101… |
… | …010000111101101 |
3 | 1011000101220121200 |
4 | 122201222013231 |
5 | 1402411442033 |
6 | 112054320113 |
7 | 14012462106 |
oct | 3241520755 |
9 | 1130356550 |
10 | 445030893 |
11 | 20923232a |
12 | 105059039 |
13 | 71279cb8 |
14 | 431673ad |
15 | 2910b013 |
hex | 1a86a1ed |
445030893 has 6 divisors (see below), whose sum is σ = 642822414. Its totient is φ = 296687256.
The previous prime is 445030891. The next prime is 445030903. The reversal of 445030893 is 398030544.
It can be written as a sum of positive squares in only one way, i.e., 345290724 + 99740169 = 18582^2 + 9987^2 .
It is not a de Polignac number, because 445030893 - 21 = 445030891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (445030891) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24723930 + ... + 24723947.
It is an arithmetic number, because the mean of its divisors is an integer number (107137069).
Almost surely, 2445030893 is an apocalyptic number.
It is an amenable number.
445030893 is a deficient number, since it is larger than the sum of its proper divisors (197791521).
445030893 is a wasteful number, since it uses less digits than its factorization.
445030893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49447883 (or 49447880 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 445030893 is about 21095.7553313457. The cubic root of 445030893 is about 763.4783388494.
The spelling of 445030893 in words is "four hundred forty-five million, thirty thousand, eight hundred ninety-three".
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