Base | Representation |
---|---|
bin | 100100110101… |
… | …1111000010101 |
3 | 1100100100220111 |
4 | 1021223320111 |
5 | 14421104440 |
6 | 1530003021 |
7 | 323120404 |
oct | 111537025 |
9 | 40310814 |
10 | 19316245 |
11 | a9a3643 |
12 | 6576471 |
13 | 4004140 |
14 | 27cb63b |
15 | 1a684ea |
hex | 126be15 |
19316245 has 16 divisors (see below), whose sum is σ = 25546752. Its totient is φ = 13930560.
The previous prime is 19316237. The next prime is 19316261. The reversal of 19316245 is 54261391.
It is not a de Polignac number, because 19316245 - 23 = 19316237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 661 + ... + 6250.
It is an arithmetic number, because the mean of its divisors is an integer number (1596672).
Almost surely, 219316245 is an apocalyptic number.
It is an amenable number.
19316245 is a deficient number, since it is larger than the sum of its proper divisors (6230507).
19316245 is a wasteful number, since it uses less digits than its factorization.
19316245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6972.
The product of its digits is 6480, while the sum is 31.
The square root of 19316245 is about 4395.0250283701. The cubic root of 19316245 is about 268.3124974713.
The spelling of 19316245 in words is "nineteen million, three hundred sixteen thousand, two hundred forty-five".
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