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3280808 = 233971033
BaseRepresentation
bin1100100000111110101000
320011200102102
430200332220
51314441213
6154152532
736613016
oct14407650
96150372
103280808
111940a13
121122748
138ab40b
146158b6
1544c158
hex320fa8

3280808 has 16 divisors (see below), whose sum is σ = 6172980. Its totient is φ = 1634688.

The previous prime is 3280801. The next prime is 3280811. The reversal of 3280808 is 8080823.

It can be written as a sum of positive squares in 2 ways, for example, as 2815684 + 465124 = 1678^2 + 682^2 .

It is a super-2 number, since 2×32808082 = 21527402265728, which contains 22 as substring.

3280808 is a modest number, since divided by 808 gives 328 as remainder.

It is not an unprimeable number, because it can be changed into a prime (3280801) 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, 2660 + ... + 3692.

Almost surely, 23280808 is an apocalyptic number.

It is an amenable number.

3280808 is a deficient number, since it is larger than the sum of its proper divisors (2892172).

3280808 is a wasteful number, since it uses less digits than its factorization.

3280808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 3280808 is about 1811.3000855739. The cubic root of 3280808 is about 148.5913762312.

The spelling of 3280808 in words is "three million, two hundred eighty thousand, eight hundred eight".

Divisors: 1 2 4 8 397 794 1033 1588 2066 3176 4132 8264 410101 820202 1640404 3280808