Search a number
-
+
242245569 = 3972233733
BaseRepresentation
bin11100111000001…
…01111111000001
3121212211100110010
432130011333001
5444003324234
640012055133
76001024206
oct1634057701
9555740403
10242245569
11114817755
12691644a9
133b258c97
142425bcad
15164016e9
hexe705fc1

242245569 has 16 divisors (see below), whose sum is σ = 327875072. Its totient is φ = 159072768.

The previous prime is 242245561. The next prime is 242245583. The reversal of 242245569 is 965542242.

It is not a de Polignac number, because 242245569 - 23 = 242245561 is a prime.

It is a super-2 number, since 2×2422455692 = 117365831400267522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242245561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63027 + ... + 66759.

It is an arithmetic number, because the mean of its divisors is an integer number (20492192).

Almost surely, 2242245569 is an apocalyptic number.

It is an amenable number.

242245569 is a deficient number, since it is larger than the sum of its proper divisors (85629503).

242245569 is a wasteful number, since it uses less digits than its factorization.

242245569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056.

The product of its digits is 172800, while the sum is 39.

The square root of 242245569 is about 15564.2400713944. The cubic root of 242245569 is about 623.3786833150.

The spelling of 242245569 in words is "two hundred forty-two million, two hundred forty-five thousand, five hundred sixty-nine".

Divisors: 1 3 97 223 291 669 3733 11199 21631 64893 362101 832459 1086303 2497377 80748523 242245569