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7993341 = 321575657
BaseRepresentation
bin11110011111011111111101
3120001002210200
4132133133331
54021241331
6443154113
7124641126
oct36373775
916032720
107993341
11456a574
122815939
13186b3b5
1410c104d
15a7d5e6
hex79f7fd

7993341 has 12 divisors (see below), whose sum is σ = 11621532. Its totient is φ = 5294016.

The previous prime is 7993331. The next prime is 7993361. The reversal of 7993341 is 1433997.

It can be written as a sum of positive squares in 2 ways, for example, as 1490841 + 6502500 = 1221^2 + 2550^2 .

It is not a de Polignac number, because 7993341 - 25 = 7993309 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7993296 and 7993305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1416 + ... + 4241.

It is an arithmetic number, because the mean of its divisors is an integer number (968461).

Almost surely, 27993341 is an apocalyptic number.

It is an amenable number.

7993341 is a deficient number, since it is larger than the sum of its proper divisors (3628191).

7993341 is a wasteful number, since it uses less digits than its factorization.

7993341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820 (or 5817 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 7993341 is about 2827.2497236714. The cubic root of 7993341 is about 199.9444929296.

The spelling of 7993341 in words is "seven million, nine hundred ninety-three thousand, three hundred forty-one".

Divisors: 1 3 9 157 471 1413 5657 16971 50913 888149 2664447 7993341