Base | Representation |
---|---|
bin | 100101001110… |
… | …1110011001010 |
3 | 1100201202101102 |
4 | 1022131303022 |
5 | 14444130324 |
6 | 1534221402 |
7 | 324631463 |
oct | 112356312 |
9 | 40652342 |
10 | 19520714 |
11 | 10023224 |
12 | 6654862 |
13 | 4076225 |
14 | 2841d6a |
15 | 1aa8dae |
hex | 129dcca |
19520714 has 16 divisors (see below), whose sum is σ = 30929280. Its totient is φ = 9240156.
The previous prime is 19520713. The next prime is 19520723. The reversal of 19520714 is 41702591.
It is not an unprimeable number, because it can be changed into a prime (19520713) 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 in 7 ways as a sum of consecutive naturals, for example, 13007 + ... + 14429.
It is an arithmetic number, because the mean of its divisors is an integer number (1933080).
Almost surely, 219520714 is an apocalyptic number.
19520714 is a deficient number, since it is larger than the sum of its proper divisors (11408566).
19520714 is an equidigital number, since it uses as much as digits as its factorization.
19520714 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1482 (or 1444 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 19520714 is about 4418.2252092894. The cubic root of 19520714 is about 269.2559027463.
The spelling of 19520714 in words is "nineteen million, five hundred twenty thousand, seven hundred fourteen".
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