Base | Representation |
---|---|
bin | 11010100001100… |
… | …101110000100111 |
3 | 1011000101000010010 |
4 | 122201211300213 |
5 | 1402410404111 |
6 | 112054101303 |
7 | 14012356041 |
oct | 3241456047 |
9 | 1130330103 |
10 | 445013031 |
11 | 20921a971 |
12 | 10504a833 |
13 | 71271b28 |
14 | 43160a91 |
15 | 29105aa6 |
hex | 1a865c27 |
445013031 has 8 divisors (see below), whose sum is σ = 596425840. Its totient is φ = 295137792.
The previous prime is 445013027. The next prime is 445013059. The reversal of 445013031 is 130310544.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 445013031 - 22 = 445013027 is a prime.
It is a super-2 number, since 2×4450130312 = 396073195519613922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 445012989 and 445013007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (445013021) 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, 383716 + ... + 384873.
It is an arithmetic number, because the mean of its divisors is an integer number (74553230).
Almost surely, 2445013031 is an apocalyptic number.
445013031 is a deficient number, since it is larger than the sum of its proper divisors (151412809).
445013031 is a wasteful number, since it uses less digits than its factorization.
445013031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 768785.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 445013031 is about 21095.3319717894. The cubic root of 445013031 is about 763.4681242533.
Adding to 445013031 its reverse (130310544), we get a palindrome (575323575).
The spelling of 445013031 in words is "four hundred forty-five million, thirteen thousand, thirty-one".
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