Base | Representation |
---|---|
bin | 100100011001… |
… | …1101101111001 |
3 | 1022220200100100 |
4 | 1020303231321 |
5 | 14341224301 |
6 | 1521030013 |
7 | 321141621 |
oct | 110635571 |
9 | 38820310 |
10 | 19086201 |
11 | a856822 |
12 | 6485309 |
13 | 3c53514 |
14 | 276b881 |
15 | 1a20286 |
hex | 1233b79 |
19086201 has 12 divisors (see below), whose sum is σ = 28089828. Its totient is φ = 12483744.
The previous prime is 19086187. The next prime is 19086217. The reversal of 19086201 is 10268091.
It can be written as a sum of positive squares in 2 ways, for example, as 11048976 + 8037225 = 3324^2 + 2835^2 .
It is not a de Polignac number, because 19086201 - 223 = 10697593 is a prime.
It is a super-2 number, since 2×190862012 = 728566137224802, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (19086101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19530 + ... + 20483.
It is an arithmetic number, because the mean of its divisors is an integer number (2340819).
Almost surely, 219086201 is an apocalyptic number.
It is an amenable number.
19086201 is a deficient number, since it is larger than the sum of its proper divisors (9003627).
19086201 is a wasteful number, since it uses less digits than its factorization.
19086201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40072 (or 40069 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 19086201 is about 4368.7756866198. The cubic root of 19086201 is about 267.2430980432.
The spelling of 19086201 in words is "nineteen million, eighty-six thousand, two hundred one".
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