Search a number
-
+
242032313 = 1511602863
BaseRepresentation
bin11100110110100…
…01111010111001
3121212102111220202
432123101322321
5443430013223
640003331545
75666145365
oct1633217271
9555374822
10242032313
11114691506
1269080bb5
133b1b2bb3
14242042a5
15163ad428
hexe6d1eb9

242032313 has 4 divisors (see below), whose sum is σ = 243635328. Its totient is φ = 240429300.

The previous prime is 242032309. The next prime is 242032319. The reversal of 242032313 is 313230242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242032313 - 22 = 242032309 is a prime.

It is a super-2 number, since 2×2420323132 = 117159281072259938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242032319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801281 + ... + 801582.

It is an arithmetic number, because the mean of its divisors is an integer number (60908832).

Almost surely, 2242032313 is an apocalyptic number.

It is an amenable number.

242032313 is a deficient number, since it is larger than the sum of its proper divisors (1603015).

242032313 is a wasteful number, since it uses less digits than its factorization.

242032313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603014.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 242032313 is about 15557.3877305928. The cubic root of 242032313 is about 623.1957033273.

Adding to 242032313 its reverse (313230242), we get a palindrome (555262555).

The spelling of 242032313 in words is "two hundred forty-two million, thirty-two thousand, three hundred thirteen".

Divisors: 1 151 1602863 242032313