Search a number
-
+
2246145661 = 232393171289
BaseRepresentation
bin1000010111100001…
…0111011001111101
312210112112000121001
42011320113121331
514100003130121
61010514410301
7106442631424
oct20570273175
95715460531
102246145661
11a52988531
12528290991
1329a46a596
141744502bb
15d22d4991
hex85e1767d

2246145661 has 16 divisors (see below), whose sum is σ = 2362867200. Its totient is φ = 2131093888.

The previous prime is 2246145659. The next prime is 2246145679. The reversal of 2246145661 is 1665416422.

It is not a de Polignac number, because 2246145661 - 21 = 2246145659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2246145661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246145631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741905 + ... + 1743193.

It is an arithmetic number, because the mean of its divisors is an integer number (147679200).

Almost surely, 22246145661 is an apocalyptic number.

It is an amenable number.

2246145661 is a deficient number, since it is larger than the sum of its proper divisors (116721539).

2246145661 is a wasteful number, since it uses less digits than its factorization.

2246145661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its digits is 69120, while the sum is 37.

The square root of 2246145661 is about 47393.5191877539. The cubic root of 2246145661 is about 1309.6220304975.

The spelling of 2246145661 in words is "two billion, two hundred forty-six million, one hundred forty-five thousand, six hundred sixty-one".

Divisors: 1 23 239 317 1289 5497 7291 29647 75763 308071 408613 1742549 7085633 9398099 97658507 2246145661