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7068805 = 54872903
BaseRepresentation
bin11010111101110010000101
3111022010120121
4122331302011
53302200210
6411301541
7114040522
oct32756205
914263517
107068805
113a98997
12244a8b1
131606633
14d20149
159496da
hex6bdc85

7068805 has 8 divisors (see below), whose sum is σ = 8502912. Its totient is φ = 5641488.

The previous prime is 7068793. The next prime is 7068823. The reversal of 7068805 is 5088607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7068805 - 25 = 7068773 is a prime.

It is a Duffinian number.

7068805 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984 + ... + 3886.

It is an arithmetic number, because the mean of its divisors is an integer number (1062864).

Almost surely, 27068805 is an apocalyptic number.

It is an amenable number.

7068805 is a deficient number, since it is larger than the sum of its proper divisors (1434107).

7068805 is a wasteful number, since it uses less digits than its factorization.

7068805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 7068805 is about 2658.7224375628. The cubic root of 7068805 is about 191.9178341277.

It can be divided in two parts, 706880 and 5, that multiplied together give a square (3534400 = 18802).

The spelling of 7068805 in words is "seven million, sixty-eight thousand, eight hundred five".

Divisors: 1 5 487 2435 2903 14515 1413761 7068805