Base | Representation |
---|---|
bin | 11010010110100… |
… | …000010011010011 |
3 | 1010210220100220201 |
4 | 122112200103103 |
5 | 1401134411331 |
6 | 111511520031 |
7 | 13645563646 |
oct | 3226402323 |
9 | 1123810821 |
10 | 442107091 |
11 | 207615668 |
12 | 104089017 |
13 | 7079523a |
14 | 42a05a5d |
15 | 28c2ea61 |
hex | 1a5a04d3 |
442107091 has 2 divisors, whose sum is σ = 442107092. Its totient is φ = 442107090.
The previous prime is 442107041. The next prime is 442107097. The reversal of 442107091 is 190701244.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 442107091 - 215 = 442074323 is a prime.
It is not a weakly prime, because it can be changed into another prime (442107097) by changing a digit.
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 as a sum of consecutive naturals, namely, 221053545 + 221053546.
It is an arithmetic number, because the mean of its divisors is an integer number (221053546).
Almost surely, 2442107091 is an apocalyptic number.
442107091 is a deficient number, since it is larger than the sum of its proper divisors (1).
442107091 is an equidigital number, since it uses as much as digits as its factorization.
442107091 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 442107091 is about 21026.3427870850. The cubic root of 442107091 is about 761.8026754189.
The spelling of 442107091 in words is "four hundred forty-two million, one hundred seven thousand, ninety-one".
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