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3949149 = 311091187
BaseRepresentation
bin1111000100001001011101
321102122012210
433010021131
52002333044
6220351033
745365361
oct17041135
97378183
103949149
112258066
1213a5479
13a83699
1474b2a1
155301b9
hex3c425d

3949149 has 8 divisors (see below), whose sum is σ = 5274720. Its totient is φ = 2628176.

The previous prime is 3949147. The next prime is 3949157. The reversal of 3949149 is 9419493.

3949149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3949149 - 21 = 3949147 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949147) 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 7 ways as a sum of consecutive naturals, for example, 2734 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (659340).

Almost surely, 23949149 is an apocalyptic number.

It is an amenable number.

3949149 is a deficient number, since it is larger than the sum of its proper divisors (1325571).

3949149 is a wasteful number, since it uses less digits than its factorization.

3949149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299.

The product of its digits is 34992, while the sum is 39.

The square root of 3949149 is about 1987.2465876182. The cubic root of 3949149 is about 158.0645599544.

The spelling of 3949149 in words is "three million, nine hundred forty-nine thousand, one hundred forty-nine".

Divisors: 1 3 1109 1187 3327 3561 1316383 3949149