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39661112 = 234957639
BaseRepresentation
bin1001011101001…
…0111000111000
32202121222211002
42113102320320
540123123422
63534024132
7661054031
oct227227070
982558732
1039661112
1120429a87
1211348048
1382a851a
1453a5a88
153736692
hex25d2e38

39661112 has 8 divisors (see below), whose sum is σ = 74364600. Its totient is φ = 19830552.

The previous prime is 39661109. The next prime is 39661117. The reversal of 39661112 is 21116693.

39661112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39661117) 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 as a sum of consecutive naturals, namely, 2478812 + ... + 2478827.

It is an arithmetic number, because the mean of its divisors is an integer number (9295575).

Almost surely, 239661112 is an apocalyptic number.

It is an amenable number.

39661112 is a deficient number, since it is larger than the sum of its proper divisors (34703488).

39661112 is a wasteful number, since it uses less digits than its factorization.

39661112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957645 (or 4957641 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 39661112 is about 6297.7068842556. The cubic root of 39661112 is about 341.0266316779.

The spelling of 39661112 in words is "thirty-nine million, six hundred sixty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 4957639 9915278 19830556 39661112