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3912961 = 13300997
BaseRepresentation
bin1110111011010100000001
321100210120111
432323110001
52000203321
6215511321
745155023
oct16732401
97323514
103912961
112232958
121388541
13a70080
1473c013
155245e1
hex3bb501

3912961 has 4 divisors (see below), whose sum is σ = 4213972. Its totient is φ = 3611952.

The previous prime is 3912959. The next prime is 3912973. The reversal of 3912961 is 1692193.

3912961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 230400 + 3682561 = 480^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 3912961 - 21 = 3912959 is a prime.

It is a super-2 number, since 2×39129612 = 30622527575042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3912901) 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 3 ways as a sum of consecutive naturals, for example, 150486 + ... + 150511.

It is an arithmetic number, because the mean of its divisors is an integer number (1053493).

Almost surely, 23912961 is an apocalyptic number.

It is an amenable number.

3912961 is a deficient number, since it is larger than the sum of its proper divisors (301011).

3912961 is a wasteful number, since it uses less digits than its factorization.

3912961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301010.

The product of its digits is 2916, while the sum is 31.

The square root of 3912961 is about 1978.1205726649. The cubic root of 3912961 is about 157.5802698251.

The spelling of 3912961 in words is "three million, nine hundred twelve thousand, nine hundred sixty-one".

Divisors: 1 13 300997 3912961