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39968082 = 23271128837
BaseRepresentation
bin1001100001110…
…1110101010010
32210012120220100
42120131311102
540212434312
63544353230
7663503010
oct230356522
983176810
1039968082
1120619680
1211475816
13838516b
1454458b0
1537975dc
hex261dd52

39968082 has 48 divisors (see below), whose sum is σ = 107969472. Its totient is φ = 10380960.

The previous prime is 39968081. The next prime is 39968099. The reversal of 39968082 is 28086993.

39968082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (39968081) 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 23 ways as a sum of consecutive naturals, for example, 13033 + ... + 15804.

It is an arithmetic number, because the mean of its divisors is an integer number (2249364).

Almost surely, 239968082 is an apocalyptic number.

39968082 is an abundant number, since it is smaller than the sum of its proper divisors (68001390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39968082 is a wasteful number, since it uses less digits than its factorization.

39968082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28863 (or 28860 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 39968082 is about 6322.0314773022. The cubic root of 39968082 is about 341.9042001090.

The spelling of 39968082 in words is "thirty-nine million, nine hundred sixty-eight thousand, eighty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 28837 57674 86511 173022 201859 259533 317207 403718 519066 605577 634414 951621 1211154 1816731 1903242 2220449 2854863 3633462 4440898 5709726 6661347 13322694 19984041 39968082