Search a number
-
+
2231042401 = 74312758363
BaseRepresentation
bin1000010011111011…
…0000000101100001
312202111002200211001
42010332300011201
514032121324101
61005214552001
7106200355540
oct20476600541
95674080731
102231042401
11a454021a5
12523208601
132972acc43
1417243c157
15d0cee901
hex84fb0161

2231042401 has 16 divisors (see below), whose sum is σ = 2629648384. Its totient is φ = 1853110224.

The previous prime is 2231042393. The next prime is 2231042449. The reversal of 2231042401 is 1042401322.

It is not a de Polignac number, because 2231042401 - 23 = 2231042393 is a prime.

It is a super-3 number, since 3×22310424013 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231042701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9046 + ... + 67408.

It is an arithmetic number, because the mean of its divisors is an integer number (164353024).

Almost surely, 22231042401 is an apocalyptic number.

It is an amenable number.

2231042401 is a deficient number, since it is larger than the sum of its proper divisors (398605983).

2231042401 is a wasteful number, since it uses less digits than its factorization.

2231042401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58540.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2231042401 is about 47233.9115572700. The cubic root of 2231042401 is about 1306.6800928427.

Adding to 2231042401 its reverse (1042401322), we get a palindrome (3273443723).

The spelling of 2231042401 in words is "two billion, two hundred thirty-one million, forty-two thousand, four hundred one".

Divisors: 1 7 43 127 301 889 5461 38227 58363 408541 2509609 7412101 17567263 51884707 318720343 2231042401