Search a number
-
+
220200142 = 2110100071
BaseRepresentation
bin11010001111111…
…11110011001110
3120100100022210211
431013333303032
5422332401032
633503353034
75312445631
oct1507776316
9510308724
10220200142
1110332a698
12618b277a
133680a856
142135dc18
15144e9747
hexd1ffcce

220200142 has 4 divisors (see below), whose sum is σ = 330300216. Its totient is φ = 110100070.

The previous prime is 220200131. The next prime is 220200143. The reversal of 220200142 is 241002022.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050034 + ... + 55050037.

It is an arithmetic number, because the mean of its divisors is an integer number (82575054).

Almost surely, 2220200142 is an apocalyptic number.

220200142 is a deficient number, since it is larger than the sum of its proper divisors (110100074).

220200142 is a wasteful number, since it uses less digits than its factorization.

220200142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110100073.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220200142 is about 14839.1422258835. The cubic root of 220200142 is about 603.8640817362.

Adding to 220200142 its reverse (241002022), we get a palindrome (461202164).

The spelling of 220200142 in words is "two hundred twenty million, two hundred thousand, one hundred forty-two".

Divisors: 1 2 110100071 220200142