Base | Representation |
---|---|
bin | 100100110100… |
… | …0001010000000 |
3 | 1100022120222120 |
4 | 1021220022000 |
5 | 14420112432 |
6 | 1525404240 |
7 | 323025054 |
oct | 111501200 |
9 | 40276876 |
10 | 19300992 |
11 | a993137 |
12 | 6569680 |
13 | 3cca209 |
14 | 27c5c64 |
15 | 1a63c2c |
hex | 1268280 |
19300992 has 32 divisors (see below), whose sum is σ = 51269280. Its totient is φ = 6433536.
The previous prime is 19300969. The next prime is 19300997. The reversal of 19300992 is 29900391.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (19300997) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24748 + ... + 25515.
It is an arithmetic number, because the mean of its divisors is an integer number (1602165).
Almost surely, 219300992 is an apocalyptic number.
19300992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19300992 is an abundant number, since it is smaller than the sum of its proper divisors (31968288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19300992 is an equidigital number, since it uses as much as digits as its factorization.
19300992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50280 (or 50268 counting only the distinct ones).
The product of its (nonzero) digits is 4374, while the sum is 33.
The square root of 19300992 is about 4393.2894282075. The cubic root of 19300992 is about 268.2418548900.
The spelling of 19300992 in words is "nineteen million, three hundred thousand, nine hundred ninety-two".
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