Search a number
-
+
38101085 = 511271887
BaseRepresentation
bin1001000101011…
…0000001011101
32122200201212022
42101112001131
534223213320
63440345525
7641565611
oct221260135
978621768
1038101085
111a563a00
12109152a5
137b80429
1450bb341
153529325
hex245605d

38101085 has 24 divisors (see below), whose sum is σ = 51020928. Its totient is φ = 27288800.

The previous prime is 38101081. The next prime is 38101093. The reversal of 38101085 is 58010183.

38101085 = T306 + T307 + ... + T635.

It is not a de Polignac number, because 38101085 - 22 = 38101081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38101081) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42512 + ... + 43398.

It is an arithmetic number, because the mean of its divisors is an integer number (2125872).

Almost surely, 238101085 is an apocalyptic number.

It is an amenable number.

38101085 is a deficient number, since it is larger than the sum of its proper divisors (12919843).

38101085 is a wasteful number, since it uses less digits than its factorization.

38101085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 38101085 is about 6172.6076337315. The cubic root of 38101085 is about 336.4953866309.

The spelling of 38101085 in words is "thirty-eight million, one hundred one thousand, eighty-five".

Divisors: 1 5 11 55 71 121 355 605 781 887 3905 4435 8591 9757 42955 48785 62977 107327 314885 536635 692747 3463735 7620217 38101085