Base | Representation |
---|---|
bin | 1000101100110… |
… | …10110111011111 |
3 | 12002100002002010 |
4 | 10112122313133 |
5 | 122141023304 |
6 | 11124202303 |
7 | 1544241255 |
oct | 426326737 |
9 | 162302063 |
10 | 72986079 |
11 | 38220581 |
12 | 20539393 |
13 | 12175a3a |
14 | 999c5d5 |
15 | 661a789 |
hex | 459addf |
72986079 has 8 divisors (see below), whose sum is σ = 97436592. Its totient is φ = 48596480.
The previous prime is 72986077. The next prime is 72986101. The reversal of 72986079 is 97068927.
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 72986079 - 21 = 72986077 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72986071) 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 7 ways as a sum of consecutive naturals, for example, 12354 + ... + 17279.
It is an arithmetic number, because the mean of its divisors is an integer number (12179574).
Almost surely, 272986079 is an apocalyptic number.
72986079 is a deficient number, since it is larger than the sum of its proper divisors (24450513).
72986079 is a wasteful number, since it uses less digits than its factorization.
72986079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30457.
The product of its (nonzero) digits is 381024, while the sum is 48.
The square root of 72986079 is about 8543.1890415699. The cubic root of 72986079 is about 417.9073514739.
The spelling of 72986079 in words is "seventy-two million, nine hundred eighty-six thousand, seventy-nine".
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