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3250681 = 7464383
BaseRepresentation
bin1100011001100111111001
320010011002121
430121213321
51313010211
6153401241
736426130
oct14314771
96104077
103250681
111920315
121109221
1389a7a5
14608917
15443271
hex3199f9

3250681 has 4 divisors (see below), whose sum is σ = 3715072. Its totient is φ = 2786292.

The previous prime is 3250679. The next prime is 3250693. The reversal of 3250681 is 1860523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3250681 - 21 = 3250679 is a prime.

It is a super-2 number, since 2×32506812 = 21133853927522, which contains 22 as substring.

It is a Duffinian number.

3250681 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232185 + ... + 232198.

It is an arithmetic number, because the mean of its divisors is an integer number (928768).

Almost surely, 23250681 is an apocalyptic number.

It is an amenable number.

3250681 is a deficient number, since it is larger than the sum of its proper divisors (464391).

3250681 is an equidigital number, since it uses as much as digits as its factorization.

3250681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464390.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3250681 is about 1802.9645032557. The cubic root of 3250681 is about 148.1351486456.

The spelling of 3250681 in words is "three million, two hundred fifty thousand, six hundred eighty-one".

Divisors: 1 7 464383 3250681