Search a number
-
+
38005011 = 3311211633
BaseRepresentation
bin1001000011111…
…0100100010011
32122111212002000
42100332210103
534212130021
63434325043
7641015532
oct220764423
978455060
1038005011
111a4a8800
1210889783
137b48795
145094319
15350ab26
hex243e913

38005011 has 24 divisors (see below), whose sum is σ = 61892880. Its totient is φ = 23031360.

The previous prime is 38005007. The next prime is 38005049. The reversal of 38005011 is 11050083.

It is a happy number.

It is not a de Polignac number, because 38005011 - 22 = 38005007 is a prime.

It is a super-2 number, since 2×380050112 = 2888761722220242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38005001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2550 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (2578870).

Almost surely, 238005011 is an apocalyptic number.

38005011 is a deficient number, since it is larger than the sum of its proper divisors (23887869).

38005011 is a wasteful number, since it uses less digits than its factorization.

38005011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11664 (or 11647 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 38005011 is about 6164.8204353412. The cubic root of 38005011 is about 336.2123179766.

Adding to 38005011 its reverse (11050083), we get a palindrome (49055094).

The spelling of 38005011 in words is "thirty-eight million, five thousand, eleven".

Divisors: 1 3 9 11 27 33 99 121 297 363 1089 3267 11633 34899 104697 127963 314091 383889 1151667 1407593 3455001 4222779 12668337 38005011