Base | Representation |
---|---|
bin | 1000101000110… |
… | …10001100011111 |
3 | 12001100022010010 |
4 | 10110122030133 |
5 | 122022142124 |
6 | 11105014303 |
7 | 1536614562 |
oct | 424321437 |
9 | 161308103 |
10 | 72459039 |
11 | 379a0604 |
12 | 20324393 |
13 | 1201cb93 |
14 | 98a24d9 |
15 | 6564529 |
hex | 451a31f |
72459039 has 16 divisors (see below), whose sum is σ = 101267712. Its totient is φ = 45997248.
The previous prime is 72459029. The next prime is 72459041. The reversal of 72459039 is 93095427.
It is not a de Polignac number, because 72459039 - 28 = 72458783 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72458988 and 72459006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72459029) 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 15 ways as a sum of consecutive naturals, for example, 13824 + ... + 18330.
It is an arithmetic number, because the mean of its divisors is an integer number (6329232).
Almost surely, 272459039 is an apocalyptic number.
72459039 is a deficient number, since it is larger than the sum of its proper divisors (28808673).
72459039 is a wasteful number, since it uses less digits than its factorization.
72459039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4766.
The product of its (nonzero) digits is 68040, while the sum is 39.
The square root of 72459039 is about 8512.2875303881. The cubic root of 72459039 is about 416.8990030812.
The spelling of 72459039 in words is "seventy-two million, four hundred fifty-nine thousand, thirty-nine".
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