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194982023 = 832349181
BaseRepresentation
bin10111001111100…
…11000010000111
3111120220010001102
423213303002013
5344403411043
631203050315
74555214465
oct1347630207
9446803042
10194982023
11a0075975
125537099b
133151b2a2
141bc77835
15121b76b8
hexb9f3087

194982023 has 4 divisors (see below), whose sum is σ = 197331288. Its totient is φ = 192632760.

The previous prime is 194982013. The next prime is 194982041. The reversal of 194982023 is 320289491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320289491 = 887361093.

It is a cyclic number.

It is not a de Polignac number, because 194982023 - 212 = 194977927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194982013) 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, 1174508 + ... + 1174673.

It is an arithmetic number, because the mean of its divisors is an integer number (49332822).

Almost surely, 2194982023 is an apocalyptic number.

194982023 is a deficient number, since it is larger than the sum of its proper divisors (2349265).

194982023 is an equidigital number, since it uses as much as digits as its factorization.

194982023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349264.

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

The square root of 194982023 is about 13963.5963490786. The cubic root of 194982023 is about 579.8711792779.

The spelling of 194982023 in words is "one hundred ninety-four million, nine hundred eighty-two thousand, twenty-three".

Divisors: 1 83 2349181 194982023