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3949461 = 32438829
BaseRepresentation
bin1111000100001110010101
321102122122100
433010032111
52002340321
6220352313
745366315
oct17041625
97378570
103949461
11225831a
1213a5699
13a83879
1474b445
15530326
hex3c4395

3949461 has 6 divisors (see below), whose sum is σ = 5704790. Its totient is φ = 2632968.

The previous prime is 3949459. The next prime is 3949469. The reversal of 3949461 is 1649493.

3949461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 731025 = 1794^2 + 855^2 .

It is not a de Polignac number, because 3949461 - 21 = 3949459 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949469) 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 5 ways as a sum of consecutive naturals, for example, 219406 + ... + 219423.

Almost surely, 23949461 is an apocalyptic number.

It is an amenable number.

3949461 is a deficient number, since it is larger than the sum of its proper divisors (1755329).

3949461 is a wasteful number, since it uses less digits than its factorization.

3949461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438835 (or 438832 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3949461 is about 1987.3250866428. The cubic root of 3949461 is about 158.0687224414.

Subtracting from 3949461 its reverse (1649493), we obtain a cube (2299968 = 1323).

The spelling of 3949461 in words is "three million, nine hundred forty-nine thousand, four hundred sixty-one".

Divisors: 1 3 9 438829 1316487 3949461