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7389393 = 311223921
BaseRepresentation
bin11100001100000011010001
3111220102100020
4130030003101
53342430033
6422214053
7116544264
oct34140321
914812306
107389393
114197840
122584329
1316b952b
14da4cdb
159ae6b3
hex70c0d1

7389393 has 8 divisors (see below), whose sum is σ = 10748256. Its totient is φ = 4478400.

The previous prime is 7389383. The next prime is 7389397. The reversal of 7389393 is 3939837.

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 7389393 - 210 = 7388369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7389397) 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, 111928 + ... + 111993.

It is an arithmetic number, because the mean of its divisors is an integer number (1343532).

Almost surely, 27389393 is an apocalyptic number.

It is an amenable number.

7389393 is a deficient number, since it is larger than the sum of its proper divisors (3358863).

7389393 is a wasteful number, since it uses less digits than its factorization.

7389393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223935.

The product of its digits is 122472, while the sum is 42.

The square root of 7389393 is about 2718.3437972413. The cubic root of 7389393 is about 194.7763642657.

The spelling of 7389393 in words is "seven million, three hundred eighty-nine thousand, three hundred ninety-three".

Divisors: 1 3 11 33 223921 671763 2463131 7389393