Base | Representation |
---|---|
bin | 100101110000… |
… | …0110100101101 |
3 | 1101020200222020 |
4 | 1023200310231 |
5 | 20031421440 |
6 | 1544140353 |
7 | 330154041 |
oct | 113406455 |
9 | 41220866 |
10 | 19795245 |
11 | 101a0508 |
12 | 67676b9 |
13 | 4141182 |
14 | 28b4021 |
15 | 1b103d0 |
hex | 12e0d2d |
19795245 has 16 divisors (see below), whose sum is σ = 33339840. Its totient is φ = 10001664.
The previous prime is 19795241. The next prime is 19795253. The reversal of 19795245 is 54259791.
It is not a de Polignac number, because 19795245 - 22 = 19795241 is a prime.
It is a super-2 number, since 2×197952452 = 783703449220050, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 19795197 and 19795206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19795241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34444 + ... + 35013.
It is an arithmetic number, because the mean of its divisors is an integer number (2083740).
Almost surely, 219795245 is an apocalyptic number.
19795245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19795245 is a deficient number, since it is larger than the sum of its proper divisors (13544595).
19795245 is a wasteful number, since it uses less digits than its factorization.
19795245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69484.
The product of its digits is 113400, while the sum is 42.
The square root of 19795245 is about 4449.1847567841. The cubic root of 19795245 is about 270.5122647885.
The spelling of 19795245 in words is "nineteen million, seven hundred ninety-five thousand, two hundred forty-five".
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