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38753385 = 3511234869
BaseRepresentation
bin1001001111010…
…1010001101001
32200220212122120
42103311101221
534410102020
63502341453
7650253426
oct223652151
980825576
1038753385
111a969aa0
1210b8a889
13804b2c8
14520ad4d
153607740
hex24f5469

38753385 has 16 divisors (see below), whose sum is σ = 67642560. Its totient is φ = 18789440.

The previous prime is 38753357. The next prime is 38753401. The reversal of 38753385 is 58335783.

38753385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38753385 - 27 = 38753257 is a prime.

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 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 15 ways as a sum of consecutive naturals, for example, 117270 + ... + 117599.

It is an arithmetic number, because the mean of its divisors is an integer number (4227660).

Almost surely, 238753385 is an apocalyptic number.

It is an amenable number.

38753385 is a deficient number, since it is larger than the sum of its proper divisors (28889175).

38753385 is a wasteful number, since it uses less digits than its factorization.

38753385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234888.

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

The square root of 38753385 is about 6225.2216827997. The cubic root of 38753385 is about 338.4048257979.

It can be divided in two parts, 3875 and 3385, that added together give a triangular number (7260 = T120).

The spelling of 38753385 in words is "thirty-eight million, seven hundred fifty-three thousand, three hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 234869 704607 1174345 2583559 3523035 7750677 12917795 38753385