Base | Representation |
---|---|
bin | 1000101000000… |
… | …00011000000101 |
3 | 12001010221001022 |
4 | 10110000120011 |
5 | 122010301120 |
6 | 11102440525 |
7 | 1535664344 |
oct | 424003005 |
9 | 161127038 |
10 | 72353285 |
11 | 37929104 |
12 | 20293145 |
13 | 11cb39c4 |
14 | 9875b5b |
15 | 6543025 |
hex | 4500605 |
72353285 has 16 divisors (see below), whose sum is σ = 90961920. Its totient is φ = 55144320.
The previous prime is 72353279. The next prime is 72353291. The reversal of 72353285 is 58235327.
It is an interprime number because it is at equal distance from previous prime (72353279) and next prime (72353291).
It is not a de Polignac number, because 72353285 - 218 = 72091141 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31196 + ... + 33434.
It is an arithmetic number, because the mean of its divisors is an integer number (5685120).
Almost surely, 272353285 is an apocalyptic number.
It is an amenable number.
72353285 is a deficient number, since it is larger than the sum of its proper divisors (18608635).
72353285 is a wasteful number, since it uses less digits than its factorization.
72353285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2548.
The product of its digits is 50400, while the sum is 35.
The square root of 72353285 is about 8506.0734184464. The cubic root of 72353285 is about 416.6960829010.
The spelling of 72353285 in words is "seventy-two million, three hundred fifty-three thousand, two hundred eighty-five".
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