Search a number
-
+
142330422 = 23131824749
BaseRepresentation
bin10000111101111…
…00101000110110
3100220211010122010
420132330220312
5242414033142
622042345050
73345534333
oct1036745066
9326733563
10142330422
1173383a53
123b7bb186
1323644cb0
1414c8d98a
15c766e9c
hex87bca36

142330422 has 16 divisors (see below), whose sum is σ = 306558000. Its totient is φ = 43793952.

The previous prime is 142330421. The next prime is 142330439. The reversal of 142330422 is 224033241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142330421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912297 + ... + 912452.

It is an arithmetic number, because the mean of its divisors is an integer number (19159875).

Almost surely, 2142330422 is an apocalyptic number.

142330422 is an abundant number, since it is smaller than the sum of its proper divisors (164227578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142330422 is a wasteful number, since it uses less digits than its factorization.

142330422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824767.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 142330422 is about 11930.2314311165. The cubic root of 142330422 is about 522.1146897918.

Adding to 142330422 its reverse (224033241), we get a palindrome (366363663).

The spelling of 142330422 in words is "one hundred forty-two million, three hundred thirty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 1824749 3649498 5474247 10948494 23721737 47443474 71165211 142330422