Base | Representation |
---|---|
bin | 1000101000000… |
… | …11001110111110 |
3 | 12001011112002211 |
4 | 10110003032332 |
5 | 122011134430 |
6 | 11103011034 |
7 | 1536043435 |
oct | 424031676 |
9 | 161145084 |
10 | 72364990 |
11 | 37936985 |
12 | 20299a7a |
13 | 11cb9129 |
14 | 987a11c |
15 | 654672a |
hex | 45033be |
72364990 has 8 divisors (see below), whose sum is σ = 130257000. Its totient is φ = 28945992.
The previous prime is 72364987. The next prime is 72364993. The reversal of 72364990 is 9946327.
It is an interprime number because it is at equal distance from previous prime (72364987) and next prime (72364993).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72364993) 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 3 ways as a sum of consecutive naturals, for example, 3618240 + ... + 3618259.
It is an arithmetic number, because the mean of its divisors is an integer number (16282125).
Almost surely, 272364990 is an apocalyptic number.
72364990 is a deficient number, since it is larger than the sum of its proper divisors (57892010).
72364990 is a wasteful number, since it uses less digits than its factorization.
72364990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7236506.
The product of its (nonzero) digits is 81648, while the sum is 40.
The square root of 72364990 is about 8506.7614284168. The cubic root of 72364990 is about 416.7185521165.
The spelling of 72364990 in words is "seventy-two million, three hundred sixty-four thousand, nine hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •