Base | Representation |
---|---|
bin | 1000100110111… |
… | …00111111000101 |
3 | 12000212120012102 |
4 | 10103130333011 |
5 | 121441131300 |
6 | 11055401445 |
7 | 1534521620 |
oct | 423347705 |
9 | 160776172 |
10 | 72208325 |
11 | 3783a202 |
12 | 20223285 |
13 | 11c62a27 |
14 | 9838db7 |
15 | 65150d5 |
hex | 44dcfc5 |
72208325 has 12 divisors (see below), whose sum is σ = 102329760. Its totient is φ = 49514160.
The previous prime is 72208319. The next prime is 72208327. The reversal of 72208325 is 52380227.
It is not a de Polignac number, because 72208325 - 210 = 72207301 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72208327) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206135 + ... + 206484.
It is an arithmetic number, because the mean of its divisors is an integer number (8527480).
Almost surely, 272208325 is an apocalyptic number.
It is an amenable number.
72208325 is a deficient number, since it is larger than the sum of its proper divisors (30121435).
72208325 is a wasteful number, since it uses less digits than its factorization.
72208325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 412636 (or 412631 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 72208325 is about 8497.5481757975. The cubic root of 72208325 is about 416.4176129408.
The spelling of 72208325 in words is "seventy-two million, two hundred eight thousand, three hundred twenty-five".
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