Base | Representation |
---|---|
bin | 100100001111… |
… | …0111011111010 |
3 | 1022202100120210 |
4 | 1020132323322 |
5 | 14331013312 |
6 | 1515131550 |
7 | 320335512 |
oct | 110367372 |
9 | 38670523 |
10 | 19001082 |
11 | a7a8881 |
12 | 6443bb6 |
13 | 3c23859 |
14 | 2748842 |
15 | 1a04e3c |
hex | 121eefa |
19001082 has 32 divisors (see below), whose sum is σ = 39952512. Its totient is φ = 6012864.
The previous prime is 19001077. The next prime is 19001089. The reversal of 19001082 is 28010091.
It is a super-2 number, since 2×190010822 = 722082234341448, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (19001089) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21228 + ... + 22104.
It is an arithmetic number, because the mean of its divisors is an integer number (1248516).
Almost surely, 219001082 is an apocalyptic number.
19001082 is an abundant number, since it is smaller than the sum of its proper divisors (20951430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19001082 is a wasteful number, since it uses less digits than its factorization.
19001082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1062.
The product of its (nonzero) digits is 144, while the sum is 21.
The square root of 19001082 is about 4359.0230556858. The cubic root of 19001082 is about 266.8452300578.
Subtracting 19001082 from its reverse (28010091), we obtain a palindrome (9009009).
The spelling of 19001082 in words is "nineteen million, one thousand, eighty-two".
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