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3809441 = 10934949
BaseRepresentation
bin1110100010000010100001
321011112120102
432202002201
51433400231
6213352145
744244146
oct16420241
97145512
103809441
1121720a9
121338655
13a34c0c
147123cd
15503acb
hex3a20a1

3809441 has 4 divisors (see below), whose sum is σ = 3844500. Its totient is φ = 3774384.

The previous prime is 3809431. The next prime is 3809461. The reversal of 3809441 is 1449083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1449083 = 9714939.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 2608225 = 1096^2 + 1615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3809441 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3809431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17366 + ... + 17583.

It is an arithmetic number, because the mean of its divisors is an integer number (961125).

Almost surely, 23809441 is an apocalyptic number.

It is an amenable number.

3809441 is a deficient number, since it is larger than the sum of its proper divisors (35059).

3809441 is a wasteful number, since it uses less digits than its factorization.

3809441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35058.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3809441 is about 1951.7789321539. The cubic root of 3809441 is about 156.1782014662.

The spelling of 3809441 in words is "three million, eight hundred nine thousand, four hundred forty-one".

Divisors: 1 109 34949 3809441