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6996023 = 8978607
BaseRepresentation
bin11010101100000000110111
3111011102201222
4122230000313
53242333043
6405540555
7113315366
oct32540067
914142658
106996023
113a49241
12241475b
1315ac478
14d017dd
15932d68
hex6ac037

6996023 has 4 divisors (see below), whose sum is σ = 7074720. Its totient is φ = 6917328.

The previous prime is 6996019. The next prime is 6996037. The reversal of 6996023 is 3206996.

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

It is a cyclic number.

It is not a de Polignac number, because 6996023 - 22 = 6996019 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6996083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39215 + ... + 39392.

It is an arithmetic number, because the mean of its divisors is an integer number (1768680).

Almost surely, 26996023 is an apocalyptic number.

6996023 is a deficient number, since it is larger than the sum of its proper divisors (78697).

6996023 is an equidigital number, since it uses as much as digits as its factorization.

6996023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78696.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 6996023 is about 2644.9996219281. Note that the first 3 decimals coincide. The cubic root of 6996023 is about 191.2568841414.

The spelling of 6996023 in words is "six million, nine hundred ninety-six thousand, twenty-three".

Divisors: 1 89 78607 6996023