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3265040 = 24540813
BaseRepresentation
bin1100011101001000010000
320010212210102
430131020100
51313440130
6153551532
736516032
oct14351020
96125712
103265040
111930089
1211155a8
138a419c
1460dc52
15447645
hex31d210

3265040 has 20 divisors (see below), whose sum is σ = 7591404. Its totient is φ = 1305984.

The previous prime is 3265021. The next prime is 3265049. The reversal of 3265040 is 405623.

It can be written as a sum of positive squares in 2 ways, for example, as 2572816 + 692224 = 1604^2 + 832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3265049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20327 + ... + 20486.

Almost surely, 23265040 is an apocalyptic number.

It is an amenable number.

3265040 is an abundant number, since it is smaller than the sum of its proper divisors (4326364).

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

3265040 is a wasteful number, since it uses less digits than its factorization.

3265040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40826 (or 40820 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3265040 is about 1806.9421684160. The cubic root of 3265040 is about 148.3529438646.

The spelling of 3265040 in words is "three million, two hundred sixty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 40813 81626 163252 204065 326504 408130 653008 816260 1632520 3265040