Search a number
-
+
242434211 = 1455116661
BaseRepresentation
bin11100111001101…
…00000010100011
3121220011221012212
432130310002203
5444030343321
640020112335
76002441165
oct1634640243
9556157185
10242434211
11114936458
12692356ab
133b2c3ac6
14242aa935
151643c55b
hexe7340a3

242434211 has 4 divisors (see below), whose sum is σ = 242465424. Its totient is φ = 242403000.

The previous prime is 242434201. The next prime is 242434253. The reversal of 242434211 is 112434242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242434211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242434201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6221 + ... + 22881.

It is an arithmetic number, because the mean of its divisors is an integer number (60616356).

Almost surely, 2242434211 is an apocalyptic number.

242434211 is a deficient number, since it is larger than the sum of its proper divisors (31213).

242434211 is a wasteful number, since it uses less digits than its factorization.

242434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31212.

The product of its digits is 1536, while the sum is 23.

The square root of 242434211 is about 15570.2990016249. The cubic root of 242434211 is about 623.5404542686.

Adding to 242434211 its reverse (112434242), we get a palindrome (354868453).

The spelling of 242434211 in words is "two hundred forty-two million, four hundred thirty-four thousand, two hundred eleven".

Divisors: 1 14551 16661 242434211