Search a number
-
+
1422031311 = 32179882701
BaseRepresentation
bin101010011000010…
…0111100111001111
310200002210200020100
41110300213213033
510403020000221
6353035022143
750145031611
oct12460474717
93602720210
101422031311
1166a777198
1233829a953
131987c365c
14d6c08db1
1584c97926
hex54c279cf

1422031311 has 12 divisors (see below), whose sum is σ = 2065522680. Its totient is φ = 942723600.

The previous prime is 1422031309. The next prime is 1422031333. The reversal of 1422031311 is 1131302241.

It is not a de Polignac number, because 1422031311 - 21 = 1422031309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422031361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439740 + ... + 442961.

It is an arithmetic number, because the mean of its divisors is an integer number (172126890).

Almost surely, 21422031311 is an apocalyptic number.

1422031311 is a deficient number, since it is larger than the sum of its proper divisors (643491369).

1422031311 is a wasteful number, since it uses less digits than its factorization.

1422031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882886 (or 882883 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1422031311 is about 37709.8304292130. The cubic root of 1422031311 is about 1124.5265658295.

Adding to 1422031311 its reverse (1131302241), we get a palindrome (2553333552).

The spelling of 1422031311 in words is "one billion, four hundred twenty-two million, thirty-one thousand, three hundred eleven".

Divisors: 1 3 9 179 537 1611 882701 2648103 7944309 158003479 474010437 1422031311