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3969168 = 243711813
BaseRepresentation
bin1111001001000010010000
321110122200020
433021002100
52004003133
6221023440
745510630
oct17110220
97418606
103969168
112271105
1213b4b80
13a8c828
147546c0
155360b3
hex3c9090

3969168 has 40 divisors (see below), whose sum is σ = 11719488. Its totient is φ = 1133952.

The previous prime is 3969167. The next prime is 3969181. The reversal of 3969168 is 8619693.

It is a super-2 number, since 2×39691682 = 31508589224448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (3969167) 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, 5571 + ... + 6242.

Almost surely, 23969168 is an apocalyptic number.

It is an amenable number.

3969168 is an abundant number, since it is smaller than the sum of its proper divisors (7750320).

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

3969168 is a wasteful number, since it uses less digits than its factorization.

3969168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11831 (or 11825 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 3969168 is about 1992.2770891620. The cubic root of 3969168 is about 158.3311965239.

The spelling of 3969168 in words is "three million, nine hundred sixty-nine thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 11813 23626 35439 47252 70878 82691 94504 141756 165382 189008 248073 283512 330764 496146 567024 661528 992292 1323056 1984584 3969168