Search a number
-
+
19082001 = 323327299
BaseRepresentation
bin100100011001…
…0101100010001
31022220110120210
41020302230101
514341111001
61520554333
7321123441
oct110625421
938813523
1019082001
11a853654
1264829a9
133c51633
14276a121
151a1ddd6
hex1232b11

19082001 has 8 divisors (see below), whose sum is σ = 25552800. Its totient is φ = 12666272.

The previous prime is 19081991. The next prime is 19082003. The reversal of 19082001 is 10028091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19082001 - 25 = 19081969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19082003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12951 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (3194100).

Almost surely, 219082001 is an apocalyptic number.

It is an amenable number.

19082001 is a deficient number, since it is larger than the sum of its proper divisors (6470799).

19082001 is a wasteful number, since it uses less digits than its factorization.

19082001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27535.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 19082001 is about 4368.2949763037. The cubic root of 19082001 is about 267.2234939437.

The spelling of 19082001 in words is "nineteen million, eighty-two thousand, one".

Divisors: 1 3 233 699 27299 81897 6360667 19082001