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7080089 = 29244141
BaseRepresentation
bin11011000000100010011001
3111022201001112
4123000202121
53303030324
6411430105
7114115442
oct33004231
914281045
107080089
113aa6415
122455335
13160b803
14d242c9
1594cc0e
hex6c0899

7080089 has 4 divisors (see below), whose sum is σ = 7324260. Its totient is φ = 6835920.

The previous prime is 7080077. The next prime is 7080097. The reversal of 7080089 is 9800807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9800807 = 10499343.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 3545689 = 1880^2 + 1883^2 .

It is a cyclic number.

It is not a de Polignac number, because 7080089 - 28 = 7079833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7080289) 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, 122042 + ... + 122099.

It is an arithmetic number, because the mean of its divisors is an integer number (1831065).

Almost surely, 27080089 is an apocalyptic number.

It is an amenable number.

7080089 is a deficient number, since it is larger than the sum of its proper divisors (244171).

7080089 is a wasteful number, since it uses less digits than its factorization.

7080089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244170.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 7080089 is about 2660.8436632016. The cubic root of 7080089 is about 192.0198999195.

The spelling of 7080089 in words is "seven million, eighty thousand, eighty-nine".

Divisors: 1 29 244141 7080089