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38383505 = 525033067
BaseRepresentation
bin1001001001101…
…0111110010001
32200020002021022
42102122332101
534311233010
63450405225
7644153156
oct222327621
980202238
1038383505
111a737106
1210a30815
137c4bb44
14515222d
153582d55
hex249af91

38383505 has 8 divisors (see below), whose sum is σ = 46093632. Its totient is φ = 30684528.

The previous prime is 38383483. The next prime is 38383519. The reversal of 38383505 is 50538383.

38383505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 38383505 - 220 = 37334929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10982 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (5761704).

Almost surely, 238383505 is an apocalyptic number.

It is an amenable number.

38383505 is a deficient number, since it is larger than the sum of its proper divisors (7710127).

38383505 is a wasteful number, since it uses less digits than its factorization.

38383505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 38383505 is about 6195.4422763835. The cubic root of 38383505 is about 337.3247521820.

The spelling of 38383505 in words is "thirty-eight million, three hundred eighty-three thousand, five hundred five".

Divisors: 1 5 2503 3067 12515 15335 7676701 38383505