Search a number
-
+
242428579 = 2361672579
BaseRepresentation
bin11100111001100…
…10101010100011
3121220011122111021
432130302222203
5444030203304
640020030311
76002415601
oct1634625243
9556148437
10242428579
111149321a8
1269232397
133b2c1383
14242a8871
151643aa54
hexe732aa3

242428579 has 16 divisors (see below), whose sum is σ = 261054720. Its totient is φ = 224595360.

The previous prime is 242428561. The next prime is 242428591. The reversal of 242428579 is 975824242.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242428579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242428559) 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, 92712 + ... + 95290.

It is an arithmetic number, because the mean of its divisors is an integer number (16315920).

Almost surely, 2242428579 is an apocalyptic number.

242428579 is a deficient number, since it is larger than the sum of its proper divisors (18626141).

242428579 is a wasteful number, since it uses less digits than its factorization.

242428579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its digits is 322560, while the sum is 43.

The square root of 242428579 is about 15570.1181434182. The cubic root of 242428579 is about 623.5356257324.

The spelling of 242428579 in words is "two hundred forty-two million, four hundred twenty-eight thousand, five hundred seventy-nine".

Divisors: 1 23 61 67 1403 1541 2579 4087 59317 94001 157319 172793 3618337 3974239 10540373 242428579