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39244061 = 137286453
BaseRepresentation
bin1001010110110…
…1000100011101
32201211210201202
42111231010131
540021302221
63521045245
7654366113
oct225550435
981753652
1039244061
112017470a
1211186825
13819074c
1452d7ab3
1536a2d0b
hex256d11d

39244061 has 4 divisors (see below), whose sum is σ = 39530652. Its totient is φ = 38957472.

The previous prime is 39244021. The next prime is 39244081. The reversal of 39244061 is 16044293.

39244061 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 19971961 + 19272100 = 4469^2 + 4390^2 .

It is a cyclic number.

It is not a de Polignac number, because 39244061 - 222 = 35049757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39244001) 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, 143090 + ... + 143363.

It is an arithmetic number, because the mean of its divisors is an integer number (9882663).

Almost surely, 239244061 is an apocalyptic number.

It is an amenable number.

39244061 is a deficient number, since it is larger than the sum of its proper divisors (286591).

39244061 is a wasteful number, since it uses less digits than its factorization.

39244061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286590.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 39244061 is about 6264.5080413389. The cubic root of 39244061 is about 339.8270775806.

The spelling of 39244061 in words is "thirty-nine million, two hundred forty-four thousand, sixty-one".

Divisors: 1 137 286453 39244061