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39243412 = 221317103431
BaseRepresentation
bin1001010110110…
…0111010010100
32201211202211201
42111230322110
540021242122
63521042244
7654364165
oct225547224
981752751
1039243412
112017417a
1211186384
138190370
1452d776c
1536a2a27
hex256ce94

39243412 has 48 divisors (see below), whose sum is σ = 79252992. Its totient is φ = 16842240.

The previous prime is 39243403. The next prime is 39243419. The reversal of 39243412 is 21434293.

39243412 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 (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39243419) 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 15 ways as a sum of consecutive naturals, for example, 90837 + ... + 91267.

It is an arithmetic number, because the mean of its divisors is an integer number (1651104).

Almost surely, 239243412 is an apocalyptic number.

It is an amenable number.

39243412 is an abundant number, since it is smaller than the sum of its proper divisors (40009580).

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

39243412 is a wasteful number, since it uses less digits than its factorization.

39243412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 566 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 39243412 is about 6264.4562413668. The cubic root of 39243412 is about 339.8252042697.

The spelling of 39243412 in words is "thirty-nine million, two hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 13 17 26 34 52 68 103 206 221 412 431 442 862 884 1339 1724 1751 2678 3502 5356 5603 7004 7327 11206 14654 22412 22763 29308 44393 45526 88786 91052 95251 177572 190502 381004 577109 754681 1154218 1509362 2308436 3018724 9810853 19621706 39243412