Base | Representation |
---|---|
bin | 1000100101111… |
… | …11111101000101 |
3 | 12000122112002021 |
4 | 10102333331011 |
5 | 121423330123 |
6 | 11053043141 |
7 | 1533515134 |
oct | 422777505 |
9 | 160575067 |
10 | 72089413 |
11 | 37768930 |
12 | 201864b1 |
13 | 11c20876 |
14 | 980791b |
15 | 64dec5d |
hex | 44bff45 |
72089413 has 8 divisors (see below), whose sum is σ = 78778656. Its totient is φ = 65422800.
The previous prime is 72089351. The next prime is 72089417. The reversal of 72089413 is 31498027.
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 72089413 - 29 = 72088901 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72089417) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398 + ... + 12088.
It is an arithmetic number, because the mean of its divisors is an integer number (9847332).
Almost surely, 272089413 is an apocalyptic number.
It is an amenable number.
72089413 is a deficient number, since it is larger than the sum of its proper divisors (6689243).
72089413 is a wasteful number, since it uses less digits than its factorization.
72089413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11315.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 72089413 is about 8490.5484510719. The cubic root of 72089413 is about 416.1889031280.
The spelling of 72089413 in words is "seventy-two million, eighty-nine thousand, four hundred thirteen".
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