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29639982 = 234939997
BaseRepresentation
bin111000100010…
…0010100101110
32001202212102010
41301010110232
530041434412
62535142050
7506635641
oct161042456
961685363
1029639982
1115804a59
129b14926
1361aa168
143d17a58
15290733c
hex1c4452e

29639982 has 8 divisors (see below), whose sum is σ = 59279976. Its totient is φ = 9879992.

The previous prime is 29639977. The next prime is 29639983. The reversal of 29639982 is 28993692.

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

29639982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29639983) 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 3 ways as a sum of consecutive naturals, for example, 2469993 + ... + 2470004.

It is an arithmetic number, because the mean of its divisors is an integer number (7409997).

Almost surely, 229639982 is an apocalyptic number.

29639982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29639982 is a wasteful number, since it uses less digits than its factorization.

29639982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940002.

The product of its digits is 419904, while the sum is 48.

The square root of 29639982 is about 5444.2613824099. The cubic root of 29639982 is about 309.4752899628.

The spelling of 29639982 in words is "twenty-nine million, six hundred thirty-nine thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 4939997 9879994 14819991 29639982