Search a number
-
+
242884255 = 52371151197
BaseRepresentation
bin11100111101000…
…01111010011111
3121221000210120011
432132201322133
5444134244010
640033504051
76006324235
oct1636417237
9557023504
10242884255
11115113599
1269412027
133b4208c3
1424386955
15164caa8a
hexe7a1e9f

242884255 has 32 divisors (see below), whose sum is σ = 312035328. Its totient is φ = 181104000.

The previous prime is 242884231. The next prime is 242884267. The reversal of 242884255 is 552488242.

It is not a de Polignac number, because 242884255 - 25 = 242884223 is a prime.

It is a super-2 number, since 2×2428842552 = 117985522653810050, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1232817 + ... + 1233013.

It is an arithmetic number, because the mean of its divisors is an integer number (9751104).

Almost surely, 2242884255 is an apocalyptic number.

242884255 is a deficient number, since it is larger than the sum of its proper divisors (69151073).

242884255 is a wasteful number, since it uses less digits than its factorization.

242884255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its digits is 204800, while the sum is 40.

The square root of 242884255 is about 15584.7443033243. The cubic root of 242884255 is about 623.9260532785.

The spelling of 242884255 in words is "two hundred forty-two million, eight hundred eighty-four thousand, two hundred fifty-five".

Divisors: 1 5 23 71 115 151 197 355 755 985 1633 3473 4531 8165 10721 13987 17365 22655 29747 53605 69935 148735 246583 321701 684181 1232915 1608505 2112037 3420905 10560185 48576851 242884255