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242131422 = 23133104249
BaseRepresentation
bin11100110111010…
…10000111011110
3121212121112212110
432123222013132
5443441201142
640005414450
76000040341
oct1633520736
9555545773
10242131422
11114749a15
126910a426
133b219040
142422c458
15163cc99c
hexe6ea1de

242131422 has 16 divisors (see below), whose sum is σ = 521514000. Its totient is φ = 74501952.

The previous prime is 242131403. The next prime is 242131423. The reversal of 242131422 is 224131242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242131423) 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, 1552047 + ... + 1552202.

It is an arithmetic number, because the mean of its divisors is an integer number (32594625).

Almost surely, 2242131422 is an apocalyptic number.

242131422 is an abundant number, since it is smaller than the sum of its proper divisors (279382578).

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

242131422 is a wasteful number, since it uses less digits than its factorization.

242131422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104267.

The product of its digits is 768, while the sum is 21.

The square root of 242131422 is about 15560.5726758368. The cubic root of 242131422 is about 623.2807551586.

Adding to 242131422 its reverse (224131242), we get a palindrome (466262664).

The spelling of 242131422 in words is "two hundred forty-two million, one hundred thirty-one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 3104249 6208498 9312747 18625494 40355237 80710474 121065711 242131422