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7275993 = 319127649
BaseRepresentation
bin11011110000010111011001
3111200122210020
4123300113121
53330312433
6415541053
7115562544
oct33602731
914618706
107275993
11411a61a
12252a789
131679a2a
14d7585b
1598acb3
hex6f05d9

7275993 has 8 divisors (see below), whose sum is σ = 10212000. Its totient is φ = 4595328.

The previous prime is 7275977. The next prime is 7276001. The reversal of 7275993 is 3995727.

7275993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7275993 - 24 = 7275977 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 Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7275923) 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 7 ways as a sum of consecutive naturals, for example, 63768 + ... + 63881.

It is an arithmetic number, because the mean of its divisors is an integer number (1276500).

Almost surely, 27275993 is an apocalyptic number.

It is an amenable number.

7275993 is a deficient number, since it is larger than the sum of its proper divisors (2936007).

7275993 is a wasteful number, since it uses less digits than its factorization.

7275993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127671.

The product of its digits is 119070, while the sum is 42.

The square root of 7275993 is about 2697.4048639387. The cubic root of 7275993 is about 193.7748566098.

The spelling of 7275993 in words is "seven million, two hundred seventy-five thousand, nine hundred ninety-three".

Divisors: 1 3 19 57 127649 382947 2425331 7275993