Search a number
-
+
242813243 = 479541937
BaseRepresentation
bin11100111100100…
…00100100111011
3121220220012011002
432132100210323
5444130010433
640032155215
76005610221
oct1636204473
9556805132
10242813243
11115075202
1269398b0b
133b3c749a
1424368b11
15164b49e8
hexe79093b

242813243 has 8 divisors (see below), whose sum is σ = 244030080. Its totient is φ = 241600320.

The previous prime is 242813239. The next prime is 242813251. The reversal of 242813243 is 342318242.

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 242813243 - 22 = 242813239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242813443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258671 + ... + 259607.

It is an arithmetic number, because the mean of its divisors is an integer number (30503760).

Almost surely, 2242813243 is an apocalyptic number.

242813243 is a deficient number, since it is larger than the sum of its proper divisors (1216837).

242813243 is an equidigital number, since it uses as much as digits as its factorization.

242813243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957.

The product of its digits is 9216, while the sum is 29.

The square root of 242813243 is about 15582.4658831650. The cubic root of 242813243 is about 623.8652416578.

The spelling of 242813243 in words is "two hundred forty-two million, eight hundred thirteen thousand, two hundred forty-three".

Divisors: 1 479 541 937 259139 448823 506917 242813243