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3968741 = 7566963
BaseRepresentation
bin1111001000111011100101
321110122002102
433020323211
52003444431
6221021445
745506450
oct17107345
97418072
103968741
112270857
1213b4885
13a8c58a
14754497
15535dcb
hex3c8ee5

3968741 has 4 divisors (see below), whose sum is σ = 4535712. Its totient is φ = 3401772.

The previous prime is 3968729. The next prime is 3968743. The reversal of 3968741 is 1478693.

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 a de Polignac number, because none of the positive numbers 2k-3968741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3968695 and 3968704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968743) 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, 283475 + ... + 283488.

It is an arithmetic number, because the mean of its divisors is an integer number (1133928).

Almost surely, 23968741 is an apocalyptic number.

It is an amenable number.

3968741 is a deficient number, since it is larger than the sum of its proper divisors (566971).

3968741 is an equidigital number, since it uses as much as digits as its factorization.

3968741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566970.

The product of its digits is 36288, while the sum is 38.

The square root of 3968741 is about 1992.1699224715. The cubic root of 3968741 is about 158.3255186048.

The spelling of 3968741 in words is "three million, nine hundred sixty-eight thousand, seven hundred forty-one".

Divisors: 1 7 566963 3968741