Search a number
-
+
6970289 = 172631559
BaseRepresentation
bin11010100101101110110001
3111010010102212
4122211232301
53241022124
6405221505
7113150354
oct32455661
914103385
106970289
113a30977
122401895
1315a0841
14cd629b
1592a40e
hex6a5bb1

6970289 has 8 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 6531136.

The previous prime is 6970279. The next prime is 6970291. The reversal of 6970289 is 9820796.

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

It is a cyclic number.

It is not a de Polignac number, because 6970289 - 24 = 6970273 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 (6970279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692 + ... + 5250.

It is an arithmetic number, because the mean of its divisors is an integer number (926640).

Almost surely, 26970289 is an apocalyptic number.

It is an amenable number.

6970289 is a deficient number, since it is larger than the sum of its proper divisors (442831).

6970289 is a wasteful number, since it uses less digits than its factorization.

6970289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 6970289 is about 2640.1304891994. The cubic root of 6970289 is about 191.0220911374.

The spelling of 6970289 in words is "six million, nine hundred seventy thousand, two hundred eighty-nine".

Divisors: 1 17 263 1559 4471 26503 410017 6970289