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3974212 = 2211412203
BaseRepresentation
bin1111001010010001000100
321110220121001
433022101010
52004133322
6221103044
745531424
oct17122104
97426531
103974212
112274980
1213b7a84
13a91c08
14756484
15537827
hex3ca444

3974212 has 24 divisors (see below), whose sum is σ = 7775712. Its totient is φ = 1761600.

The previous prime is 3974197. The next prime is 3974213. The reversal of 3974212 is 2124793.

3974212 = T133 + T134 + ... + T296.

It is a super-2 number, since 2×39742122 = 31588722041888, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974213) 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, 703 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (323988).

Almost surely, 23974212 is an apocalyptic number.

It is an amenable number.

3974212 is a deficient number, since it is larger than the sum of its proper divisors (3801500).

3974212 is a wasteful number, since it uses less digits than its factorization.

3974212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259 (or 2257 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 3974212 is about 1993.5425754169. The cubic root of 3974212 is about 158.3982369800.

It can be divided in two parts, 3974 and 212, that added together give a triangular number (4186 = T91).

The spelling of 3974212 in words is "three million, nine hundred seventy-four thousand, two hundred twelve".

Divisors: 1 2 4 11 22 41 44 82 164 451 902 1804 2203 4406 8812 24233 48466 90323 96932 180646 361292 993553 1987106 3974212