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3268381 is a prime number
BaseRepresentation
bin1100011101111100011101
320011001101011
430131330131
51314042011
6154015221
736531544
oct14357435
96131334
103268381
111932646
121117511
138a586c
1461115b
15448621
hex31df1d

3268381 has 2 divisors, whose sum is σ = 3268382. Its totient is φ = 3268380.

The previous prime is 3268379. The next prime is 3268417. The reversal of 3268381 is 1838623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 188356 = 1755^2 + 434^2 .

It is a cyclic number.

It is not a de Polignac number, because 3268381 - 21 = 3268379 is a prime.

It is a super-2 number, since 2×32683812 = 21364628722322, which contains 22 as substring.

Together with 3268379, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3268481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634190 + 1634191.

It is an arithmetic number, because the mean of its divisors is an integer number (1634191).

Almost surely, 23268381 is an apocalyptic number.

It is an amenable number.

3268381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3268381 is an equidigital number, since it uses as much as digits as its factorization.

3268381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 3268381 is about 1807.8664220567. The cubic root of 3268381 is about 148.4035280558.

The spelling of 3268381 in words is "three million, two hundred sixty-eight thousand, three hundred eighty-one".