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39682641 = 317778091
BaseRepresentation
bin1001011101100…
…0001001010001
32202200002100110
42113120021101
540124321031
63534311533
7661203555
oct227301121
982602313
1039682641
1120444179
12113585a9
1382b526b
1453ad865
15373cc46
hex25d8251

39682641 has 8 divisors (see below), whose sum is σ = 56022624. Its totient is φ = 24898880.

The previous prime is 39682619. The next prime is 39682673. The reversal of 39682641 is 14628693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39682641 - 213 = 39674449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39682641.

It is not an unprimeable number, because it can be changed into a prime (39682691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388995 + ... + 389096.

It is an arithmetic number, because the mean of its divisors is an integer number (7002828).

Almost surely, 239682641 is an apocalyptic number.

It is an amenable number.

39682641 is a deficient number, since it is larger than the sum of its proper divisors (16339983).

39682641 is a wasteful number, since it uses less digits than its factorization.

39682641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778111.

The product of its digits is 62208, while the sum is 39.

The square root of 39682641 is about 6299.4159253061. The cubic root of 39682641 is about 341.0883263197.

The spelling of 39682641 in words is "thirty-nine million, six hundred eighty-two thousand, six hundred forty-one".

Divisors: 1 3 17 51 778091 2334273 13227547 39682641