Search a number
-
+
142441306 = 2719153269
BaseRepresentation
bin10000111110101…
…11101101011010
3100221000202201221
420133113231122
5242431110211
622045002254
73346505530
oct1037275532
9327022657
10142441306
117344a297
123b85338a
13236835c7
1414cbc150
15c789c71
hex87d7b5a

142441306 has 16 divisors (see below), whose sum is σ = 245468160. Its totient is φ = 60725520.

The previous prime is 142441303. The next prime is 142441307. The reversal of 142441306 is 603144241.

It is not an unprimeable number, because it can be changed into a prime (142441303) 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 7 ways as a sum of consecutive naturals, for example, 23961 + ... + 29308.

It is an arithmetic number, because the mean of its divisors is an integer number (15341760).

Almost surely, 2142441306 is an apocalyptic number.

142441306 is a deficient number, since it is larger than the sum of its proper divisors (103026854).

142441306 is a wasteful number, since it uses less digits than its factorization.

142441306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53469.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 142441306 is about 11934.8777119835. The cubic root of 142441306 is about 522.2502408956.

Adding to 142441306 its reverse (603144241), we get a palindrome (745585547).

The spelling of 142441306 in words is "one hundred forty-two million, four hundred forty-one thousand, three hundred six".

Divisors: 1 2 7 14 191 382 1337 2674 53269 106538 372883 745766 10174379 20348758 71220653 142441306