Base | Representation |
---|---|
bin | 1000100111100… |
… | …00000010101111 |
3 | 12001000112021110 |
4 | 10103300002233 |
5 | 122001131013 |
6 | 11101203103 |
7 | 1535265321 |
oct | 423600257 |
9 | 161015243 |
10 | 72286383 |
11 | 37892914 |
12 | 20260493 |
13 | 11c8c410 |
14 | 9859611 |
15 | 652d2c3 |
hex | 44f00af |
72286383 has 8 divisors (see below), whose sum is σ = 103795888. Its totient is φ = 44483904.
The previous prime is 72286381. The next prime is 72286391. The reversal of 72286383 is 38368227.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72286383 - 21 = 72286381 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1853497 = 72286383 / (7 + 2 + 2 + 8 + 6 + 3 + 8 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72286381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926710 + ... + 926787.
It is an arithmetic number, because the mean of its divisors is an integer number (12974486).
Almost surely, 272286383 is an apocalyptic number.
72286383 is a deficient number, since it is larger than the sum of its proper divisors (31509505).
72286383 is a wasteful number, since it uses less digits than its factorization.
72286383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1853513.
The product of its digits is 96768, while the sum is 39.
The square root of 72286383 is about 8502.1399071057. The cubic root of 72286383 is about 416.5676095901.
The spelling of 72286383 in words is "seventy-two million, two hundred eighty-six thousand, three hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •