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242434137 = 31153971429
BaseRepresentation
bin11100111001101…
…00000001011001
3121220011221010010
432130310001121
5444030343022
640020112133
76002441031
oct1634640131
9556157103
10242434137
111149363a0
1269235649
133b2c3a6a
14242aa8c1
151643c50c
hexe734059

242434137 has 32 divisors (see below), whose sum is σ = 363242880. Its totient is φ = 142571520.

The previous prime is 242434111. The next prime is 242434139. The reversal of 242434137 is 731434242.

It is not a de Polignac number, because 242434137 - 214 = 242417753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242434139) 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 31 ways as a sum of consecutive naturals, for example, 168939 + ... + 170367.

It is an arithmetic number, because the mean of its divisors is an integer number (11351340).

Almost surely, 2242434137 is an apocalyptic number.

It is an amenable number.

242434137 is a deficient number, since it is larger than the sum of its proper divisors (120808743).

242434137 is a wasteful number, since it uses less digits than its factorization.

242434137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 16128, while the sum is 30.

The square root of 242434137 is about 15570.2966253055. The cubic root of 242434137 is about 623.5403908259.

Adding to 242434137 its reverse (731434242), we get a palindrome (973868379).

The spelling of 242434137 in words is "two hundred forty-two million, four hundred thirty-four thousand, one hundred thirty-seven".

Divisors: 1 3 11 33 53 97 159 291 583 1067 1429 1749 3201 4287 5141 15423 15719 47157 56551 75737 138613 169653 227211 415839 833107 1524743 2499321 4574229 7346489 22039467 80811379 242434137