Base | Representation |
---|---|
bin | 100100011001… |
… | …1011011001001 |
3 | 1022220121200220 |
4 | 1020303123021 |
5 | 14341210001 |
6 | 1521020253 |
7 | 321135255 |
oct | 110633311 |
9 | 38817626 |
10 | 19085001 |
11 | a855931 |
12 | 6484689 |
13 | 3c52b00 |
14 | 276b265 |
15 | 1a1ec36 |
hex | 12336c9 |
19085001 has 12 divisors (see below), whose sum is σ = 27555408. Its totient is φ = 11744304.
The previous prime is 19084993. The next prime is 19085021. The reversal of 19085001 is 10058091.
It is not a de Polignac number, because 19085001 - 23 = 19084993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (19085021) 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, 18315 + ... + 19328.
It is an arithmetic number, because the mean of its divisors is an integer number (2296284).
Almost surely, 219085001 is an apocalyptic number.
It is an amenable number.
19085001 is a deficient number, since it is larger than the sum of its proper divisors (8470407).
19085001 is a wasteful number, since it uses less digits than its factorization.
19085001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37672 (or 37659 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 24.
The square root of 19085001 is about 4368.6383462127. The cubic root of 19085001 is about 267.2374971654.
The spelling of 19085001 in words is "nineteen million, eighty-five thousand, one".
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