Base | Representation |
---|---|
bin | 1000101000001… |
… | …11100000001111 |
3 | 12001012102002120 |
4 | 10110013200033 |
5 | 122012214404 |
6 | 11103224023 |
7 | 1536145431 |
oct | 424074017 |
9 | 161172076 |
10 | 72382479 |
11 | 37949034 |
12 | 202a8013 |
13 | 11cc4090 |
14 | 9882651 |
15 | 654b9d9 |
hex | 450780f |
72382479 has 8 divisors (see below), whose sum is σ = 103933872. Its totient is φ = 44543040.
The previous prime is 72382433. The next prime is 72382483. The reversal of 72382479 is 97428327.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72382479 - 27 = 72382351 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 72382479.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72381479) 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, 927942 + ... + 928019.
It is an arithmetic number, because the mean of its divisors is an integer number (12991734).
Almost surely, 272382479 is an apocalyptic number.
72382479 is a deficient number, since it is larger than the sum of its proper divisors (31551393).
72382479 is a wasteful number, since it uses less digits than its factorization.
72382479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1855977.
The product of its digits is 169344, while the sum is 42.
The square root of 72382479 is about 8507.7893133293. The cubic root of 72382479 is about 416.7521199312.
The spelling of 72382479 in words is "seventy-two million, three hundred eighty-two thousand, four hundred seventy-nine".
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