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194319 = 342399
BaseRepresentation
bin101111011100001111
3100212120000
4233130033
522204234
64055343
71436346
oct573417
9325500
10194319
11122aa4
1294553
136a5a8
1450b5d
153c899
hex2f70f

194319 has 10 divisors (see below), whose sum is σ = 290400. Its totient is φ = 129492.

The previous prime is 194309. The next prime is 194323. The reversal of 194319 is 913491.

It is not a de Polignac number, because 194319 - 211 = 192271 is a prime.

It is a super-2 number, since 2×1943192 = 75519747522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 194292 and 194301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194309) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1119 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (29040).

2194319 is an apocalyptic number.

194319 is a deficient number, since it is larger than the sum of its proper divisors (96081).

194319 is an equidigital number, since it uses as much as digits as its factorization.

194319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2402 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 194319 is about 440.8162882653. The cubic root of 194319 is about 57.9213162137.

The spelling of 194319 in words is "one hundred ninety-four thousand, three hundred nineteen".

Divisors: 1 3 9 27 81 2399 7197 21591 64773 194319