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3961069 = 7565867
BaseRepresentation
bin1111000111000011101101
321110020120021
433013003231
52003223234
6220522141
745445210
oct17070355
97406507
103961069
112266012
1213b0351
13a88c38
14751777
155339b4
hex3c70ed

3961069 has 4 divisors (see below), whose sum is σ = 4526944. Its totient is φ = 3395196.

The previous prime is 3961057. The next prime is 3961121. The reversal of 3961069 is 9601693.

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 not a de Polignac number, because 3961069 - 27 = 3960941 is a prime.

It is a super-2 number, since 2×39610692 = 31380135245522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961039) 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, 282927 + ... + 282940.

It is an arithmetic number, because the mean of its divisors is an integer number (1131736).

Almost surely, 23961069 is an apocalyptic number.

It is an amenable number.

3961069 is a deficient number, since it is larger than the sum of its proper divisors (565875).

3961069 is an equidigital number, since it uses as much as digits as its factorization.

3961069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565874.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 3961069 is about 1990.2434524450. The cubic root of 3961069 is about 158.2234327528.

It can be divided in two parts, 396 and 1069, that multiplied together give a palindrome (423324).

The spelling of 3961069 in words is "three million, nine hundred sixty-one thousand, sixty-nine".

Divisors: 1 7 565867 3961069