Search a number
-
+
38705808 = 243806371
BaseRepresentation
bin1001001110100…
…1101010010000
32200211110101110
42103221222100
534402041213
63501333320
7646664631
oct223515220
980743343
1038705808
111a937279
1210b67240
13803275b
1451d7888
1535e85c3
hex24e9a90

38705808 has 20 divisors (see below), whose sum is σ = 99990128. Its totient is φ = 12901920.

The previous prime is 38705773. The next prime is 38705819. The reversal of 38705808 is 80850783.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 403138 + ... + 403233.

Almost surely, 238705808 is an apocalyptic number.

It is an amenable number.

38705808 is an abundant number, since it is smaller than the sum of its proper divisors (61284320).

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

38705808 is a wasteful number, since it uses less digits than its factorization.

38705808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806382 (or 806376 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 38705808 is about 6221.3991995370. The cubic root of 38705808 is about 338.2662840972.

The spelling of 38705808 in words is "thirty-eight million, seven hundred five thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 806371 1612742 2419113 3225484 4838226 6450968 9676452 12901936 19352904 38705808