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255341442 = 239724523
BaseRepresentation
bin11110011100000…
…11001110000010
3122210110200121110
433032003032002
51010331411232
641200504150
76220236456
oct1716031602
9583420543
10255341442
11121151894
127161b056
1340b92a15
1425caa666
151763bacc
hexf383382

255341442 has 24 divisors (see below), whose sum is σ = 516116016. Its totient is φ = 84217728.

The previous prime is 255341441. The next prime is 255341447. The reversal of 255341442 is 244143552.

It is not an unprimeable number, because it can be changed into a prime (255341441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54193 + ... + 58715.

It is an arithmetic number, because the mean of its divisors is an integer number (21504834).

Almost surely, 2255341442 is an apocalyptic number.

255341442 is an abundant number, since it is smaller than the sum of its proper divisors (260774574).

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

255341442 is an equidigital number, since it uses as much as digits as its factorization.

255341442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4625 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 255341442 is about 15979.4068100164. The cubic root of 255341442 is about 634.4154763241.

Adding to 255341442 its reverse (244143552), we get a palindrome (499484994).

The spelling of 255341442 in words is "two hundred fifty-five million, three hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 97 194 291 582 4523 9046 9409 13569 18818 27138 28227 56454 438731 877462 1316193 2632386 42556907 85113814 127670721 255341442