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7828323 = 319137339
BaseRepresentation
bin11101110111001101100011
3112201201102220
4131313031203
54001001243
6435442123
7123353046
oct35671543
915651386
107828323
114467598
122756343
131811259
14107ac5d
15a49783
hex777363

7828323 has 8 divisors (see below), whose sum is σ = 10987200. Its totient is φ = 4944168.

The previous prime is 7828319. The next prime is 7828343. The reversal of 7828323 is 3238287.

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 7828323 - 22 = 7828319 is a prime.

It is a super-2 number, since 2×78283232 = 122565281984658, which contains 22 as substring.

7828323 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7828343) 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, 68613 + ... + 68726.

It is an arithmetic number, because the mean of its divisors is an integer number (1373400).

Almost surely, 27828323 is an apocalyptic number.

7828323 is a deficient number, since it is larger than the sum of its proper divisors (3158877).

7828323 is a wasteful number, since it uses less digits than its factorization.

7828323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137361.

The product of its digits is 16128, while the sum is 33.

The square root of 7828323 is about 2797.9140444267. The cubic root of 7828323 is about 198.5590008760.

The spelling of 7828323 in words is "seven million, eight hundred twenty-eight thousand, three hundred twenty-three".

Divisors: 1 3 19 57 137339 412017 2609441 7828323