Search a number
-
+
38306208 = 253399023
BaseRepresentation
bin1001001000100…
…0000110100000
32200002011020110
42102020012200
534301244313
63445011320
7643411623
oct222100640
980064213
1038306208
111a694026
12109b3b40
137c228c5
145131dba
153569ec3
hex24881a0

38306208 has 24 divisors (see below), whose sum is σ = 100554048. Its totient is φ = 12768704.

The previous prime is 38306207. The next prime is 38306221. The reversal of 38306208 is 80260383.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (38306207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199416 + ... + 199607.

It is an arithmetic number, because the mean of its divisors is an integer number (4189752).

Almost surely, 238306208 is an apocalyptic number.

It is an amenable number.

38306208 is an abundant number, since it is smaller than the sum of its proper divisors (62247840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38306208 is a wasteful number, since it uses less digits than its factorization.

38306208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399036 (or 399028 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 38306208 is about 6189.2009177276. The cubic root of 38306208 is about 337.0981642785.

The spelling of 38306208 in words is "thirty-eight million, three hundred six thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 399023 798046 1197069 1596092 2394138 3192184 4788276 6384368 9576552 12768736 19153104 38306208