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242012255 = 5172847203
BaseRepresentation
bin11100110110011…
…01000001011111
3121212101111101212
432123031001133
5443423343010
640003055035
75666033042
oct1633150137
9555344355
10242012255
11114678431
126907147b
133b1a6a24
14241dac59
15163a7505
hexe6cd05f

242012255 has 8 divisors (see below), whose sum is σ = 307498032. Its totient is φ = 182220928.

The previous prime is 242012249. The next prime is 242012263. The reversal of 242012255 is 552210242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242012255 - 28 = 242011999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242012255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423517 + ... + 1423686.

It is an arithmetic number, because the mean of its divisors is an integer number (38437254).

Almost surely, 2242012255 is an apocalyptic number.

242012255 is a deficient number, since it is larger than the sum of its proper divisors (65485777).

242012255 is a wasteful number, since it uses less digits than its factorization.

242012255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847225.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 242012255 is about 15556.7430717358. The cubic root of 242012255 is about 623.1784874377.

Adding to 242012255 its reverse (552210242), we get a palindrome (794222497).

The spelling of 242012255 in words is "two hundred forty-two million, twelve thousand, two hundred fifty-five".

Divisors: 1 5 17 85 2847203 14236015 48402451 242012255