Search a number
-
+
38775105 = 345195039
BaseRepresentation
bin1001001111101…
…0100101000001
32200221222110000
42103322211001
534411300410
63503030213
7650403645
oct223724501
980858400
1038775105
111a984346
1210b9b369
138058165
145214c25
15360ddc0
hex24fa941

38775105 has 40 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 19587744.

The previous prime is 38775103. The next prime is 38775119. The reversal of 38775105 is 50157783.

It is not a de Polignac number, because 38775105 - 21 = 38775103 is a prime.

It is a super-2 number, since 2×387751052 = 3007017535522050, which contains 22 as substring.

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 38775105.

It is not an unprimeable number, because it can be changed into a prime (38775103) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5176 + ... + 10214.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 238775105 is an apocalyptic number.

It is an amenable number.

38775105 is a deficient number, since it is larger than the sum of its proper divisors (34405695).

38775105 is a wasteful number, since it uses less digits than its factorization.

38775105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075 (or 5066 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 38775105 is about 6226.9659546203. The cubic root of 38775105 is about 338.4680355886.

The spelling of 38775105 in words is "thirty-eight million, seven hundred seventy-five thousand, one hundred five".

Divisors: 1 3 5 9 15 19 27 45 57 81 95 135 171 285 405 513 855 1539 2565 5039 7695 15117 25195 45351 75585 95741 136053 226755 287223 408159 478705 680265 861669 1436115 2040795 2585007 4308345 7755021 12925035 38775105