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38438763 = 3111164811
BaseRepresentation
bin1001001010100…
…0011101101011
32200022220001220
42102220131223
534320020023
63451513123
7644503236
oct222503553
980286056
1038438763
111a774680
1210a587a3
137c6b03c
14516841d
1535943e3
hex24a876b

38438763 has 8 divisors (see below), whose sum is σ = 55910976. Its totient is φ = 23296200.

The previous prime is 38438753. The next prime is 38438779. The reversal of 38438763 is 36783483.

38438763 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 not a de Polignac number, because 38438763 - 29 = 38438251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38438713) 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 7 ways as a sum of consecutive naturals, for example, 582373 + ... + 582438.

It is an arithmetic number, because the mean of its divisors is an integer number (6988872).

Almost surely, 238438763 is an apocalyptic number.

38438763 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

38438763 is a deficient number, since it is larger than the sum of its proper divisors (17472213).

38438763 is a wasteful number, since it uses less digits than its factorization.

38438763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164825.

The product of its digits is 290304, while the sum is 42.

The square root of 38438763 is about 6199.9002411329. The cubic root of 38438763 is about 337.4865487094.

The spelling of 38438763 in words is "thirty-eight million, four hundred thirty-eight thousand, seven hundred sixty-three".

Divisors: 1 3 11 33 1164811 3494433 12812921 38438763