Base | Representation |
---|---|
bin | 100100011000… |
… | …0011100011111 |
3 | 1022212222221222 |
4 | 1020300130133 |
5 | 14340312144 |
6 | 1520443555 |
7 | 321054554 |
oct | 110603437 |
9 | 38788858 |
10 | 19072799 |
11 | a847749 |
12 | 64795bb |
13 | 3c4a3a5 |
14 | 2766a2b |
15 | 1a1b2ee |
hex | 123071f |
19072799 has 2 divisors, whose sum is σ = 19072800. Its totient is φ = 19072798.
The previous prime is 19072777. The next prime is 19072811. The reversal of 19072799 is 99727091.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 19072799 - 224 = 2295583 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19072699) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9536399 + 9536400.
It is an arithmetic number, because the mean of its divisors is an integer number (9536400).
Almost surely, 219072799 is an apocalyptic number.
19072799 is a deficient number, since it is larger than the sum of its proper divisors (1).
19072799 is an equidigital number, since it uses as much as digits as its factorization.
19072799 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 71442, while the sum is 44.
The square root of 19072799 is about 4367.2415779299. The cubic root of 19072799 is about 267.1805322374.
The spelling of 19072799 in words is "nineteen million, seventy-two thousand, seven hundred ninety-nine".
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