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194904083 = 1117718553
BaseRepresentation
bin10111001111000…
…00000000010011
3111120202011010202
423213200000103
5344343412313
631201245415
74554441323
oct1347400023
9446664122
10194904083
11a0022360
125533386b
13314c197a
141bc57283
151219e558
hexb9e0013

194904083 has 4 divisors (see below), whose sum is σ = 212622648. Its totient is φ = 177185520.

The previous prime is 194904067. The next prime is 194904091. The reversal of 194904083 is 380409491.

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

It is a cyclic number.

It is not a de Polignac number, because 194904083 - 24 = 194904067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194904583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8859266 + ... + 8859287.

It is an arithmetic number, because the mean of its divisors is an integer number (53155662).

Almost surely, 2194904083 is an apocalyptic number.

194904083 is a deficient number, since it is larger than the sum of its proper divisors (17718565).

194904083 is a wasteful number, since it uses less digits than its factorization.

194904083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718564.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 194904083 is about 13960.8052418190. The cubic root of 194904083 is about 579.7939051745.

The spelling of 194904083 in words is "one hundred ninety-four million, nine hundred four thousand, eighty-three".

Divisors: 1 11 17718553 194904083