Base | Representation |
---|---|
bin | 1000100101100… |
… | …00010001101101 |
3 | 12000112020222220 |
4 | 10102300101231 |
5 | 121414301242 |
6 | 11051425553 |
7 | 1533126666 |
oct | 422602155 |
9 | 160466886 |
10 | 72025197 |
11 | 37724662 |
12 | 201552b9 |
13 | 11bca57a |
14 | 97cc36d |
15 | 64cabec |
hex | 44b046d |
72025197 has 8 divisors (see below), whose sum is σ = 98077056. Its totient is φ = 46995072.
The previous prime is 72025189. The next prime is 72025207. The reversal of 72025197 is 79152027.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72025197 - 23 = 72025189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72025127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255268 + ... + 255549.
It is an arithmetic number, because the mean of its divisors is an integer number (12259632).
Almost surely, 272025197 is an apocalyptic number.
It is an amenable number.
72025197 is a deficient number, since it is larger than the sum of its proper divisors (26051859).
72025197 is a wasteful number, since it uses less digits than its factorization.
72025197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 510867.
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 72025197 is about 8486.7659918252. The cubic root of 72025197 is about 416.0652884616.
The spelling of 72025197 in words is "seventy-two million, twenty-five thousand, one hundred ninety-seven".
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