Search a number
-
+
3012217 = 13231709
BaseRepresentation
bin1011011111011001111001
312200000222121
423133121321
51232342332
6144321241
734413655
oct13373171
95600877
103012217
11177813a
121013221
138160a0
14585a65
153e7797
hex2df679

3012217 has 4 divisors (see below), whose sum is σ = 3243940. Its totient is φ = 2780496.

The previous prime is 3012211. The next prime is 3012221. The reversal of 3012217 is 7122103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1610361 + 1401856 = 1269^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012217 - 23 = 3012209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3012217.

It is not an unprimeable number, because it can be changed into a prime (3012211) 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, 115842 + ... + 115867.

It is an arithmetic number, because the mean of its divisors is an integer number (810985).

Almost surely, 23012217 is an apocalyptic number.

It is an amenable number.

3012217 is a deficient number, since it is larger than the sum of its proper divisors (231723).

3012217 is a wasteful number, since it uses less digits than its factorization.

3012217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231722.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 3012217 is about 1735.5739684612. The cubic root of 3012217 is about 144.4204692401.

The spelling of 3012217 in words is "three million, twelve thousand, two hundred seventeen".

Divisors: 1 13 231709 3012217