Search a number
-
+
201874 = 2100937
BaseRepresentation
bin110001010010010010
3101020220211
4301102102
522424444
64154334
71500361
oct612222
9336824
10201874
11128742
12989aa
1370b6a
14537d8
153ec34
hex31492

201874 has 4 divisors (see below), whose sum is σ = 302814. Its totient is φ = 100936.

The previous prime is 201847. The next prime is 201881. The reversal of 201874 is 478102.

201874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 196249 + 5625 = 443^2 + 75^2 .

It is a super-2 number, since 2×2018742 = 81506223752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50467 + ... + 50470.

2201874 is an apocalyptic number.

201874 is a deficient number, since it is larger than the sum of its proper divisors (100940).

201874 is a wasteful number, since it uses less digits than its factorization.

201874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100939.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 201874 is about 449.3039060591. The cubic root of 201874 is about 58.6624408687.

Adding to 201874 its reverse (478102), we get a palindrome (679976).

The spelling of 201874 in words is "two hundred one thousand, eight hundred seventy-four".

Divisors: 1 2 100937 201874