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7993269 = 33296047
BaseRepresentation
bin11110011111011110110101
3120001002201000
4132133132311
54021241034
6443153513
7124640664
oct36373665
916032630
107993269
11456a509
122815899
13186b35b
1410c0ddb
15a7d599
hex79f7b5

7993269 has 8 divisors (see below), whose sum is σ = 11841920. Its totient is φ = 5328828.

The previous prime is 7993231. The next prime is 7993273. The reversal of 7993269 is 9623997.

It is not a de Polignac number, because 7993269 - 212 = 7989173 is a prime.

It is a super-2 number, since 2×79932692 = 127784698612722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147997 + ... + 148050.

It is an arithmetic number, because the mean of its divisors is an integer number (1480240).

Almost surely, 27993269 is an apocalyptic number.

It is an amenable number.

7993269 is a deficient number, since it is larger than the sum of its proper divisors (3848651).

7993269 is a wasteful number, since it uses less digits than its factorization.

7993269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296056 (or 296050 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 7993269 is about 2827.2369904202. The cubic root of 7993269 is about 199.9438925946.

The spelling of 7993269 in words is "seven million, nine hundred ninety-three thousand, two hundred sixty-nine".

Divisors: 1 3 9 27 296047 888141 2664423 7993269