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255025242 = 23223616003
BaseRepresentation
bin11110011001101…
…10000001011010
3122202212121212100
433030312001122
51010241301432
641150024230
76214451553
oct1714660132
9582777770
10255025242
11120a5626a
12714a8076
1340ab1b14
1425c2732a
15175c807c
hexf33605a

255025242 has 24 divisors (see below), whose sum is σ = 576579744. Its totient is φ = 81312264.

The previous prime is 255025237. The next prime is 255025247. The reversal of 255025242 is 242520552.

255025242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255025237) and next prime (255025247).

It is not an unprimeable number, because it can be changed into a prime (255025247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307588 + ... + 308415.

It is an arithmetic number, because the mean of its divisors is an integer number (24024156).

Almost surely, 2255025242 is an apocalyptic number.

255025242 is an abundant number, since it is smaller than the sum of its proper divisors (321554502).

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

255025242 is a wasteful number, since it uses less digits than its factorization.

255025242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616034 (or 616031 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 255025242 is about 15969.5097607910. The cubic root of 255025242 is about 634.1534937362.

Adding to 255025242 its reverse (242520552), we get a palindrome (497545794).

The spelling of 255025242 in words is "two hundred fifty-five million, twenty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 616003 1232006 1848009 3696018 5544027 11088054 14168069 28336138 42504207 85008414 127512621 255025242