Search a number
-
+
242910865 = 5107454039
BaseRepresentation
bin11100111101010…
…00011010010001
3121221002011001201
432132220122101
5444141121430
640034231201
76006464641
oct1636503221
9557064051
10242910865
1111513158a
1269425501
133b42ca52
1424392521
15164d38ca
hexe7a8691

242910865 has 8 divisors (see below), whose sum is σ = 294217920. Its totient is φ = 192512112.

The previous prime is 242910853. The next prime is 242910881. The reversal of 242910865 is 568019242.

242910865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242910865 - 27 = 242910737 is a prime.

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, 226485 + ... + 227554.

It is an arithmetic number, because the mean of its divisors is an integer number (36777240).

Almost surely, 2242910865 is an apocalyptic number.

It is an amenable number.

242910865 is a deficient number, since it is larger than the sum of its proper divisors (51307055).

242910865 is a wasteful number, since it uses less digits than its factorization.

242910865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454151.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 242910865 is about 15585.5979994352. The cubic root of 242910865 is about 623.9488378843.

The spelling of 242910865 in words is "two hundred forty-two million, nine hundred ten thousand, eight hundred sixty-five".

Divisors: 1 5 107 535 454039 2270195 48582173 242910865