Search a number
-
+
7085039 = 131732059
BaseRepresentation
bin11011000001101111101111
3111022221211212
4123001233233
53303210124
6411505035
7114136043
oct33015757
914287755
107085039
113aaa105
12245817b
131610b40
14d26023
1594e40e
hex6c1bef

7085039 has 8 divisors (see below), whose sum is σ = 8079120. Its totient is φ = 6155136.

The previous prime is 7085017. The next prime is 7085041. The reversal of 7085039 is 9305807.

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

It is not a de Polignac number, because 7085039 - 216 = 7019503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7084996 and 7085014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7085059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15809 + ... + 16250.

It is an arithmetic number, because the mean of its divisors is an integer number (1009890).

Almost surely, 27085039 is an apocalyptic number.

7085039 is a deficient number, since it is larger than the sum of its proper divisors (994081).

7085039 is a wasteful number, since it uses less digits than its factorization.

7085039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32089.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 7085039 is about 2661.7736567935. The cubic root of 7085039 is about 192.0646393325.

The spelling of 7085039 in words is "seven million, eighty-five thousand, thirty-nine".

Divisors: 1 13 17 221 32059 416767 545003 7085039