Base | Representation |
---|---|
bin | 1000100111111… |
… | …01101010001111 |
3 | 12001010100210020 |
4 | 10103331222033 |
5 | 122004422114 |
6 | 11102313223 |
7 | 1535620041 |
oct | 423755217 |
9 | 161110706 |
10 | 72342159 |
11 | 3792080a |
12 | 20288813 |
13 | 11cab916 |
14 | 9871a91 |
15 | 653eaa9 |
hex | 44fda8f |
72342159 has 16 divisors (see below), whose sum is σ = 97895520. Its totient is φ = 47513600.
The previous prime is 72342119. The next prime is 72342161. The reversal of 72342159 is 95124327.
It is a cyclic number.
It is not a de Polignac number, because 72342159 - 27 = 72342031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72342119) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77407 + ... + 78335.
It is an arithmetic number, because the mean of its divisors is an integer number (6118470).
Almost surely, 272342159 is an apocalyptic number.
72342159 is a deficient number, since it is larger than the sum of its proper divisors (25553361).
72342159 is a wasteful number, since it uses less digits than its factorization.
72342159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1290.
The product of its digits is 15120, while the sum is 33.
The square root of 72342159 is about 8505.4193900125. The cubic root of 72342159 is about 416.6747229020.
The spelling of 72342159 in words is "seventy-two million, three hundred forty-two thousand, one hundred fifty-nine".
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