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242132511 = 34110871811
BaseRepresentation
bin11100110111010…
…10011000011111
3121212121121100210
432123222120133
5443441220021
640005423503
76000043455
oct1633523037
9555547323
10242132511
1111474a815
126910ab93
133b21969a
142422c9d5
15163cce76
hexe6ea61f

242132511 has 16 divisors (see below), whose sum is σ = 331204608. Its totient is φ = 157252800.

The previous prime is 242132509. The next prime is 242132521. The reversal of 242132511 is 115231242.

It is not a de Polignac number, because 242132511 - 21 = 242132509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242132521) 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 15 ways as a sum of consecutive naturals, for example, 132796 + ... + 134606.

It is an arithmetic number, because the mean of its divisors is an integer number (20700288).

Almost surely, 2242132511 is an apocalyptic number.

242132511 is a deficient number, since it is larger than the sum of its proper divisors (89072097).

242132511 is a wasteful number, since it uses less digits than its factorization.

242132511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its digits is 480, while the sum is 21.

The square root of 242132511 is about 15560.6076680829. The cubic root of 242132511 is about 623.2816895709.

Adding to 242132511 its reverse (115231242), we get a palindrome (357363753).

The spelling of 242132511 in words is "two hundred forty-two million, one hundred thirty-two thousand, five hundred eleven".

Divisors: 1 3 41 123 1087 1811 3261 5433 44567 74251 133701 222753 1968557 5905671 80710837 242132511