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7068309 = 32356103
BaseRepresentation
bin11010111101101010010101
3111022002220020
4122331222111
53302141214
6411255353
7114036213
oct32755225
914262806
107068309
113a98586
12244a559
131606341
14d1dcb3
159494a9
hex6bda95

7068309 has 4 divisors (see below), whose sum is σ = 9424416. Its totient is φ = 4712204.

The previous prime is 7068301. The next prime is 7068329. The reversal of 7068309 is 9038607.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7068309 - 23 = 7068301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7068309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7068301) 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, 1178049 + ... + 1178054.

It is an arithmetic number, because the mean of its divisors is an integer number (2356104).

Almost surely, 27068309 is an apocalyptic number.

It is an amenable number.

7068309 is a deficient number, since it is larger than the sum of its proper divisors (2356107).

7068309 is a wasteful number, since it uses less digits than its factorization.

7068309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356106.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 7068309 is about 2658.6291580437. The cubic root of 7068309 is about 191.9133452278.

The spelling of 7068309 in words is "seven million, sixty-eight thousand, three hundred nine".

Divisors: 1 3 2356103 7068309