Base | Representation |
---|---|
bin | 1000101011011… |
… | …00010001100111 |
3 | 12001222101021222 |
4 | 10111230101213 |
5 | 122113421424 |
6 | 11120130555 |
7 | 1542515006 |
oct | 425542147 |
9 | 161871258 |
10 | 72795239 |
11 | 38100160 |
12 | 20466a5b |
13 | 12109c0a |
14 | 994cc3d |
15 | 65cde5e |
hex | 456c467 |
72795239 has 8 divisors (see below), whose sum is σ = 79488768. Its totient is φ = 66114360.
The previous prime is 72795227. The next prime is 72795263. The reversal of 72795239 is 93259727.
It is a happy number.
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 72795239 - 28 = 72794983 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72795239.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72795209) 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 7 ways as a sum of consecutive naturals, for example, 12104 + ... + 17090.
It is an arithmetic number, because the mean of its divisors is an integer number (9936096).
Almost surely, 272795239 is an apocalyptic number.
72795239 is a deficient number, since it is larger than the sum of its proper divisors (6693529).
72795239 is a wasteful number, since it uses less digits than its factorization.
72795239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6325.
The product of its digits is 238140, while the sum is 44.
The square root of 72795239 is about 8532.0125996156. The cubic root of 72795239 is about 417.5427931324.
The spelling of 72795239 in words is "seventy-two million, seven hundred ninety-five thousand, two hundred thirty-nine".
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