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38753538 = 236458923
BaseRepresentation
bin1001001111010…
…1010100000010
32200220212212020
42103311110002
534410103123
63502342310
7650254035
oct223652402
980825766
1038753538
111a96a11a
1210b8a996
13804b3b5
14520b01c
1536077e3
hex24f5502

38753538 has 8 divisors (see below), whose sum is σ = 77507088. Its totient is φ = 12917844.

The previous prime is 38753509. The next prime is 38753549. The reversal of 38753538 is 83535783.

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

38753538 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38753538.

It is an unprimeable number.

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, 3229456 + ... + 3229467.

It is an arithmetic number, because the mean of its divisors is an integer number (9688386).

Almost surely, 238753538 is an apocalyptic number.

38753538 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.

38753538 is a wasteful number, since it uses less digits than its factorization.

38753538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458928.

The product of its digits is 302400, while the sum is 42.

The square root of 38753538 is about 6225.2339715066. The cubic root of 38753538 is about 338.4052711428.

The spelling of 38753538 in words is "thirty-eight million, seven hundred fifty-three thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 6458923 12917846 19376769 38753538