Base | Representation |
---|---|
bin | 11010100001101… |
… | …000011100101100 |
3 | 1011000101120020000 |
4 | 122201220130230 |
5 | 1402411232134 |
6 | 112054224300 |
7 | 14012433123 |
oct | 3241503454 |
9 | 1130346200 |
10 | 445024044 |
11 | 209228173 |
12 | 105055090 |
13 | 71276b4a |
14 | 43164aba |
15 | 29108e99 |
hex | 1a86872c |
445024044 has 30 divisors (see below), whose sum is σ = 1163381604. Its totient is φ = 148341240.
The previous prime is 445024031. The next prime is 445024057. The reversal of 445024044 is 440420544.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (445024031) and next prime (445024057).
It is a super-2 number, since 2×4450240442 = 396092799476227872, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 445023999 and 445024017.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 686442 + ... + 687089.
Almost surely, 2445024044 is an apocalyptic number.
It is an amenable number.
445024044 is an abundant number, since it is smaller than the sum of its proper divisors (718357560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
445024044 is a wasteful number, since it uses less digits than its factorization.
445024044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1373547 (or 1373536 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 27.
The square root of 445024044 is about 21095.5929994869. The cubic root of 445024044 is about 763.4744222000.
Adding to 445024044 its reverse (440420544), we get a palindrome (885444588).
The spelling of 445024044 in words is "four hundred forty-five million, twenty-four thousand, forty-four".
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