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242242255 = 5181267671
BaseRepresentation
bin11100111000001…
…01001011001111
3121212211011220101
432130011023033
5444003223010
640012031531
76001011433
oct1634051317
9555734811
10242242255
11114815212
12691625a7
133b257618
142425a9c3
151640073a
hexe7052cf

242242255 has 8 divisors (see below), whose sum is σ = 292297824. Its totient is φ = 192722400.

The previous prime is 242242243. The next prime is 242242291. The reversal of 242242255 is 552242242.

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

It is not a de Polignac number, because 242242255 - 27 = 242242127 is a prime.

It is a Duffinian number.

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, 132931 + ... + 134740.

It is an arithmetic number, because the mean of its divisors is an integer number (36537228).

Almost surely, 2242242255 is an apocalyptic number.

242242255 is a deficient number, since it is larger than the sum of its proper divisors (50055569).

242242255 is a wasteful number, since it uses less digits than its factorization.

242242255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267857.

The product of its digits is 12800, while the sum is 28.

The square root of 242242255 is about 15564.1336090384. The cubic root of 242242255 is about 623.3758406261.

Adding to 242242255 its reverse (552242242), we get a palindrome (794484497).

The spelling of 242242255 in words is "two hundred forty-two million, two hundred forty-two thousand, two hundred fifty-five".

Divisors: 1 5 181 905 267671 1338355 48448451 242242255