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3212868 = 223267739
BaseRepresentation
bin1100010000011001000100
320001020020010
430100121010
51310302433
6152510220
736210651
oct14203104
96036203
103212868
1118a496a
1210ab370
13886509
145d8c28
15436e63
hex310644

3212868 has 12 divisors (see below), whose sum is σ = 7496720. Its totient is φ = 1070952.

The previous prime is 3212863. The next prime is 3212927. The reversal of 3212868 is 8682123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 35 + 216 + 1 + 220 + 82 + 64 + 87 .

It is not an unprimeable number, because it can be changed into a prime (3212861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133858 + ... + 133881.

Almost surely, 23212868 is an apocalyptic number.

It is an amenable number.

3212868 is an abundant number, since it is smaller than the sum of its proper divisors (4283852).

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

3212868 is a wasteful number, since it uses less digits than its factorization.

3212868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267746 (or 267744 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 3212868 is about 1792.4474887706. The cubic root of 3212868 is about 147.5585212579.

The spelling of 3212868 in words is "three million, two hundred twelve thousand, eight hundred sixty-eight".