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7130609 = 67106427
BaseRepresentation
bin11011001100110111110001
3111102021100122
4123030313301
53311134414
6412500025
7114415643
oct33146761
914367318
107130609
114030372
12247a615
1316287c5
14d38893
1595cb8e
hex6ccdf1

7130609 has 4 divisors (see below), whose sum is σ = 7237104. Its totient is φ = 7024116.

The previous prime is 7130579. The next prime is 7130687. The reversal of 7130609 is 9060317.

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 a de Polignac number, because none of the positive numbers 2k-7130609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7130009) 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, 53147 + ... + 53280.

It is an arithmetic number, because the mean of its divisors is an integer number (1809276).

Almost surely, 27130609 is an apocalyptic number.

It is an amenable number.

7130609 is a deficient number, since it is larger than the sum of its proper divisors (106495).

7130609 is a wasteful number, since it uses less digits than its factorization.

7130609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106494.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 7130609 is about 2670.3200182750. The cubic root of 7130609 is about 192.4755374548.

The spelling of 7130609 in words is "seven million, one hundred thirty thousand, six hundred nine".

Divisors: 1 67 106427 7130609