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7068407 = 52113567
BaseRepresentation
bin11010111101101011110111
3111022010000212
4122331223313
53302142112
6411300035
7114036413
oct32755367
914263025
107068407
113a98665
12244a61b
1316063b8
14d1dd43
15949522
hex6bdaf7

7068407 has 4 divisors (see below), whose sum is σ = 7082496. Its totient is φ = 7054320.

The previous prime is 7068389. The next prime is 7068421. The reversal of 7068407 is 7048607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7048607 = 26926203.

It is a cyclic number.

It is not a de Polignac number, because 7068407 - 26 = 7068343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7068007) 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 3 ways as a sum of consecutive naturals, for example, 6263 + ... + 7304.

It is an arithmetic number, because the mean of its divisors is an integer number (1770624).

Almost surely, 27068407 is an apocalyptic number.

7068407 is a deficient number, since it is larger than the sum of its proper divisors (14089).

7068407 is a wasteful number, since it uses less digits than its factorization.

7068407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14088.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 7068407 is about 2658.6475885307. The cubic root of 7068407 is about 191.9142321642.

The spelling of 7068407 in words is "seven million, sixty-eight thousand, four hundred seven".

Divisors: 1 521 13567 7068407