Search a number
-
+
3894212 = 227139079
BaseRepresentation
bin1110110110101111000100
321022211212002
432312233010
51444103322
6215244432
745046250
oct16665704
97284762
103894212
11221a863
121379718
13a6468a
14735260
1551dc92
hex3b6bc4

3894212 has 12 divisors (see below), whose sum is σ = 7788480. Its totient is φ = 1668936.

The previous prime is 3894211. The next prime is 3894217. The reversal of 3894212 is 2124983.

3894212 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3894211) 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 3 ways as a sum of consecutive naturals, for example, 69512 + ... + 69567.

It is an arithmetic number, because the mean of its divisors is an integer number (649040).

Almost surely, 23894212 is an apocalyptic number.

It is an amenable number.

3894212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3894212 is a wasteful number, since it uses less digits than its factorization.

3894212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139090 (or 139088 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 3894212 is about 1973.3757878316. The cubic root of 3894212 is about 157.3281841814.

It can be divided in two parts, 3894 and 212, that multiplied together give a palindrome (825528).

The spelling of 3894212 in words is "three million, eight hundred ninety-four thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 139079 278158 556316 973553 1947106 3894212