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194672 = 24233
BaseRepresentation
bin101111100001110000
3100220001002
4233201300
522212142
64101132
71440362
oct574160
9326032
10194672
11123295
12947a8
136a7ba
1450d32
153ca32
hex2f870

194672 has 20 divisors (see below), whose sum is σ = 394320. Its totient is φ = 93104.

The previous prime is 194671. The next prime is 194681. The reversal of 194672 is 276491.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

194672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194671) 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, 8453 + ... + 8475.

It is an arithmetic number, because the mean of its divisors is an integer number (19716).

194672 is a Friedman number, since it can be written as 46^(2+1)*(9-7), using all its digits and the basic arithmetic operations.

2194672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197160).

194672 is an abundant number, since it is smaller than the sum of its proper divisors (199648).

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

194672 is an frugal number, since it uses more digits than its factorization.

194672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 25 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 194672 is about 441.2165001448. The cubic root of 194672 is about 57.9563682952.

The spelling of 194672 in words is "one hundred ninety-four thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 529 1058 2116 4232 8464 12167 24334 48668 97336 194672