Base | Representation |
---|---|
bin | 100100011011… |
… | …0010111111101 |
3 | 1022221020021110 |
4 | 1020312113331 |
5 | 14342101320 |
6 | 1521152233 |
7 | 321215430 |
oct | 110662775 |
9 | 38836243 |
10 | 19097085 |
11 | a863a17 |
12 | 648b679 |
13 | 3c58467 |
14 | 2771817 |
15 | 1a235e0 |
hex | 12365fd |
19097085 has 32 divisors (see below), whose sum is σ = 36052992. Its totient is φ = 8447040.
The previous prime is 19097063. The next prime is 19097093. The reversal of 19097085 is 58079091.
It is a happy number.
It is not a de Polignac number, because 19097085 - 25 = 19097053 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322 + ... + 6188.
It is an arithmetic number, because the mean of its divisors is an integer number (1126656).
Almost surely, 219097085 is an apocalyptic number.
19097085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19097085 is a deficient number, since it is larger than the sum of its proper divisors (16955907).
19097085 is a wasteful number, since it uses less digits than its factorization.
19097085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5913.
The product of its (nonzero) digits is 22680, while the sum is 39.
The square root of 19097085 is about 4370.0211669968. The cubic root of 19097085 is about 267.2938872872.
The spelling of 19097085 in words is "nineteen million, ninety-seven thousand, eighty-five".
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