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39768244 = 2228135381
BaseRepresentation
bin1001011110110…
…1000010110100
32202211102202221
42113231002310
540140040434
63540212124
7662011255
oct227550264
982742687
1039768244
11204a251a
121139a044
138315209
1453d2b2c
1537582b4
hex25ed0b4

39768244 has 12 divisors (see below), whose sum is σ = 69844068. Its totient is φ = 19812800.

The previous prime is 39768241. The next prime is 39768247. The reversal of 39768244 is 44286793.

39768244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39768241) and next prime (39768247).

It can be written as a sum of positive squares in 2 ways, for example, as 31136400 + 8631844 = 5580^2 + 2938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39768244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39768241) 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, 16567 + ... + 18814.

It is an arithmetic number, because the mean of its divisors is an integer number (5820339).

Almost surely, 239768244 is an apocalyptic number.

It is an amenable number.

39768244 is a deficient number, since it is larger than the sum of its proper divisors (30075824).

39768244 is a wasteful number, since it uses less digits than its factorization.

39768244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35666 (or 35664 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 39768244 is about 6306.2067837964. The cubic root of 39768244 is about 341.3334142897. Note that the first 3 decimals are identical.

The spelling of 39768244 in words is "thirty-nine million, seven hundred sixty-eight thousand, two hundred forty-four".

Divisors: 1 2 4 281 562 1124 35381 70762 141524 9942061 19884122 39768244