Search a number
-
+
38790145 = 531250259
BaseRepresentation
bin1001001111111…
…0010000000001
32200222202002001
42103332100001
534412241040
63503224001
7650465542
oct223762001
980882061
1038790145
111a994679
1210ba8001
138061c64
14521a4c9
15361359a
hex24fe401

38790145 has 8 divisors (see below), whose sum is σ = 48049920. Its totient is φ = 30030960.

The previous prime is 38790131. The next prime is 38790187. The reversal of 38790145 is 54109783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38790145 - 25 = 38790113 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 124975 + ... + 125284.

It is an arithmetic number, because the mean of its divisors is an integer number (6006240).

Almost surely, 238790145 is an apocalyptic number.

It is an amenable number.

38790145 is a deficient number, since it is larger than the sum of its proper divisors (9259775).

38790145 is a wasteful number, since it uses less digits than its factorization.

38790145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250295.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 38790145 is about 6228.1734882709. The cubic root of 38790145 is about 338.5117913371.

The spelling of 38790145 in words is "thirty-eight million, seven hundred ninety thousand, one hundred forty-five".

Divisors: 1 5 31 155 250259 1251295 7758029 38790145