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6769993 = 33720089
BaseRepresentation
bin11001110100110101001001
3110201221200111
4121310311021
53213114433
6401034321
7111354406
oct31646511
913657614
106769993
11390443a
1223259a1
131530619
14c832ad
158dadcd
hex674d49

6769993 has 4 divisors (see below), whose sum is σ = 6790420. Its totient is φ = 6749568.

The previous prime is 6769991. The next prime is 6770011. The reversal of 6769993 is 3999676.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 5442889 = 1152^2 + 2333^2 .

It is a cyclic number.

It is not a de Polignac number, because 6769993 - 21 = 6769991 is a prime.

It is a Duffinian number.

6769993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6769991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9708 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (1697605).

Almost surely, 26769993 is an apocalyptic number.

It is an amenable number.

6769993 is a deficient number, since it is larger than the sum of its proper divisors (20427).

6769993 is a wasteful number, since it uses less digits than its factorization.

6769993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20426.

The product of its digits is 551124, while the sum is 49.

The square root of 6769993 is about 2601.9210210919. The cubic root of 6769993 is about 189.1745632063.

The spelling of 6769993 in words is "six million, seven hundred sixty-nine thousand, nine hundred ninety-three".

Divisors: 1 337 20089 6769993