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244431342 = 23231438049
BaseRepresentation
bin11101001000110…
…11100111101110
3122000221101202200
432210123213232
51000033300332
640131002330
76025426551
oct1644334756
9560841680
10244431342
11115a7a981
1269a393a6
133b842b3c
142466a698
15166d417c
hexe91b9ee

244431342 has 24 divisors (see below), whose sum is σ = 546686400. Its totient is φ = 78848640.

The previous prime is 244431289. The next prime is 244431347. The reversal of 244431342 is 243134442.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244431347) 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, 218467 + ... + 219582.

It is an arithmetic number, because the mean of its divisors is an integer number (22778600).

Almost surely, 2244431342 is an apocalyptic number.

244431342 is an abundant number, since it is smaller than the sum of its proper divisors (302255058).

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

244431342 is a wasteful number, since it uses less digits than its factorization.

244431342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438088 (or 438085 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 244431342 is about 15634.3001762151. The cubic root of 244431342 is about 625.2479801030.

Adding to 244431342 its reverse (243134442), we get a palindrome (487565784).

It can be divided in two parts, 24443134 and 2, that added together give a square (24443136 = 49442).

The spelling of 244431342 in words is "two hundred forty-four million, four hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 438049 876098 1314147 2628294 3942441 7884882 13579519 27159038 40738557 81477114 122215671 244431342