[go: up one dir, main page]

Search a number
-
+
194020 = 22589109
BaseRepresentation
bin101111010111100100
3100212010221
4233113210
522202040
64054124
71435441
oct572744
9325127
10194020
11122852
1294344
136a408
14509c8
153c74a
hex2f5e4

194020 has 24 divisors (see below), whose sum is σ = 415800. Its totient is φ = 76032.

The previous prime is 194017. The next prime is 194027. The reversal of 194020 is 20491.

194020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12544 + 181476 = 112^2 + 426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 193985 and 194003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194027) 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 7 ways as a sum of consecutive naturals, for example, 1726 + ... + 1834.

It is an arithmetic number, because the mean of its divisors is an integer number (17325).

2194020 is an apocalyptic number.

194020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194020 is an abundant number, since it is smaller than the sum of its proper divisors (221780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194020 is a wasteful number, since it uses less digits than its factorization.

194020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 194020 is about 440.4770141562. The cubic root of 194020 is about 57.8915929857.

The spelling of 194020 in words is "one hundred ninety-four thousand, twenty".

Divisors: 1 2 4 5 10 20 89 109 178 218 356 436 445 545 890 1090 1780 2180 9701 19402 38804 48505 97010 194020