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3280238 = 213791597
BaseRepresentation
bin1100100000110101101110
320011122122022
430200311232
51314431423
6154150142
736611243
oct14406556
96148568
103280238
111940545
121122352
138ab090
146155ca
1544bdc8
hex320d6e

3280238 has 16 divisors (see below), whose sum is σ = 5369280. Its totient is φ = 1493856.

The previous prime is 3280231. The next prime is 3280279. The reversal of 3280238 is 8320823.

3280238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×32802382 = 21519922673288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (335580).

Almost surely, 23280238 is an apocalyptic number.

3280238 is a deficient number, since it is larger than the sum of its proper divisors (2089042).

3280238 is a wasteful number, since it uses less digits than its factorization.

3280238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3280238 is about 1811.1427331936. The cubic root of 3280238 is about 148.5827704254.

The spelling of 3280238 in words is "three million, two hundred eighty thousand, two hundred thirty-eight".

Divisors: 1 2 13 26 79 158 1027 1597 2054 3194 20761 41522 126163 252326 1640119 3280238