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3968265 = 35725399
BaseRepresentation
bin1111001000110100001001
321110121102210
433020310021
52003441030
6221015333
745505200
oct17106411
97417383
103968265
112270464
1213b4549
13a8c2b2
14754237
15535bb0
hex3c8d09

3968265 has 24 divisors (see below), whose sum is σ = 7387200. Its totient is φ = 1813728.

The previous prime is 3968231. The next prime is 3968291. The reversal of 3968265 is 5628693.

It is not a de Polignac number, because 3968265 - 26 = 3968201 is a prime.

It is a super-2 number, since 2×39682652 = 31494254220450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 311 + 94 + 65 + 8 + 221 + 68 + 5 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1965 + ... + 3434.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

Almost surely, 23968265 is an apocalyptic number.

3968265 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3968265 is a deficient number, since it is larger than the sum of its proper divisors (3418935).

3968265 is a wasteful number, since it uses less digits than its factorization.

3968265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5414 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 3968265 is about 1992.0504511683. The cubic root of 3968265 is about 158.3191886410.

The spelling of 3968265 in words is "three million, nine hundred sixty-eight thousand, two hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 735 5399 16197 26995 37793 80985 113379 188965 264551 566895 793653 1322755 3968265