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194124243 = 366739697
BaseRepresentation
bin10111001001000…
…01100111010011
3111112021112101210
423210201213103
5344143433433
631132431203
74545012615
oct1344414723
9445245353
10194124243
119a63a465
1255018503
13312aaa21
141bad2db5
1512098463
hexb9219d3

194124243 has 8 divisors (see below), whose sum is σ = 258897808. Its totient is φ = 129383424.

The previous prime is 194124239. The next prime is 194124253. The reversal of 194124243 is 342421491.

194124243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 194124243 - 22 = 194124239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194124243.

It is not an unprimeable number, because it can be changed into a prime (194124223) 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, 15171 + ... + 24867.

It is an arithmetic number, because the mean of its divisors is an integer number (32362226).

Almost surely, 2194124243 is an apocalyptic number.

194124243 is a deficient number, since it is larger than the sum of its proper divisors (64773565).

194124243 is an equidigital number, since it uses as much as digits as its factorization.

194124243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16373.

The product of its digits is 6912, while the sum is 30.

The square root of 194124243 is about 13932.8476271005. The cubic root of 194124243 is about 579.0195912128.

The spelling of 194124243 in words is "one hundred ninety-four million, one hundred twenty-four thousand, two hundred forty-three".

Divisors: 1 3 6673 9697 20019 29091 64708081 194124243