Search a number
-
+
2199790325 = 5287991613
BaseRepresentation
bin1000001100011110…
…0010001011110101
312200022021221000202
42003013202023311
514001121242300
61002141050245
7105340623605
oct20307421365
95608257022
102199790325
11a297a7037
12514856985
1329098a0a5
1416c224c05
15cd1c9ad5
hex831e22f5

2199790325 has 6 divisors (see below), whose sum is σ = 2727740034. Its totient is φ = 1759832240.

The previous prime is 2199790301. The next prime is 2199790337. The reversal of 2199790325 is 5230979912.

It can be written as a sum of positive squares in 3 ways, for example, as 662444644 + 1537345681 = 25738^2 + 39209^2 .

It is not a de Polignac number, because 2199790325 - 210 = 2199789301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2199790325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43995782 + ... + 43995831.

It is an arithmetic number, because the mean of its divisors is an integer number (454623339).

Almost surely, 22199790325 is an apocalyptic number.

2199790325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2199790325 is a deficient number, since it is larger than the sum of its proper divisors (527949709).

2199790325 is an equidigital number, since it uses as much as digits as its factorization.

2199790325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87991623 (or 87991618 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 2199790325 is about 46901.9224019656. The cubic root of 2199790325 is about 1300.5501271278.

The spelling of 2199790325 in words is "two billion, one hundred ninety-nine million, seven hundred ninety thousand, three hundred twenty-five".

Divisors: 1 5 25 87991613 439958065 2199790325