Search a number
-
+
19040333 = 131464641
BaseRepresentation
bin100100010100…
…0100001001101
31022211100102112
41020220201031
514333242313
61520033405
7320561114
oct110504115
938740375
1019040333
11a825314
126462865
133c38690
142758c7b
151a118a8
hex122884d

19040333 has 4 divisors (see below), whose sum is σ = 20504988. Its totient is φ = 17575680.

The previous prime is 19040317. The next prime is 19040341. The reversal of 19040333 is 33304091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10355524 + 8684809 = 3218^2 + 2947^2 .

It is a cyclic number.

It is not a de Polignac number, because 19040333 - 24 = 19040317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19040299 and 19040308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19040363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732308 + ... + 732333.

It is an arithmetic number, because the mean of its divisors is an integer number (5126247).

Almost surely, 219040333 is an apocalyptic number.

19040333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19040333 is a deficient number, since it is larger than the sum of its proper divisors (1464655).

19040333 is a wasteful number, since it uses less digits than its factorization.

19040333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464654.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 19040333 is about 4363.5230032624. The cubic root of 19040333 is about 267.0288465890.

The spelling of 19040333 in words is "nineteen million, forty thousand, three hundred thirty-three".

Divisors: 1 13 1464641 19040333