Search a number
-
+
2202020197 = 13169386169
BaseRepresentation
bin1000001101000000…
…0010100101100101
312200110111012211121
42003100002211211
514002204121242
61002300533541
7105365601646
oct20320024545
95613435747
102202020197
11a2aa8a403
125155512b1
1329128b040
1416c6456cd
15cd4ba667
hex83402965

2202020197 has 4 divisors (see below), whose sum is σ = 2371406380. Its totient is φ = 2032634016.

The previous prime is 2202020147. The next prime is 2202020209. The reversal of 2202020197 is 7910202022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 287607681 + 1914412516 = 16959^2 + 43754^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202020197 - 227 = 2067802469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202020147) 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 3 ways as a sum of consecutive naturals, for example, 84693072 + ... + 84693097.

It is an arithmetic number, because the mean of its divisors is an integer number (592851595).

Almost surely, 22202020197 is an apocalyptic number.

It is an amenable number.

2202020197 is a deficient number, since it is larger than the sum of its proper divisors (169386183).

2202020197 is a wasteful number, since it uses less digits than its factorization.

2202020197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169386182.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2202020197 is about 46925.6880290529. The cubic root of 2202020197 is about 1300.9894236865.

The spelling of 2202020197 in words is "two billion, two hundred two million, twenty thousand, one hundred ninety-seven".

Divisors: 1 13 169386169 2202020197