Search a number
-
+
38480415 = 3519135019
BaseRepresentation
bin1001001011001…
…0101000011111
32200102000012120
42102302220133
534322333130
63452434023
7645035541
oct222625037
980360176
1038480415
111a7a29a6
1210a78913
137c83c9c
145179691
1535a1910
hex24b2a1f

38480415 has 16 divisors (see below), whose sum is σ = 64809600. Its totient is φ = 19442592.

The previous prime is 38480413. The next prime is 38480437. The reversal of 38480415 is 51408483.

38480415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38480415 - 21 = 38480413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38480411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67225 + ... + 67794.

It is an arithmetic number, because the mean of its divisors is an integer number (4050600).

Almost surely, 238480415 is an apocalyptic number.

38480415 is a deficient number, since it is larger than the sum of its proper divisors (26329185).

38480415 is a wasteful number, since it uses less digits than its factorization.

38480415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135046.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 38480415 is about 6203.2584179607. The cubic root of 38480415 is about 337.6084041346.

Adding to 38480415 its reverse (51408483), we get a palindrome (89888898).

The spelling of 38480415 in words is "thirty-eight million, four hundred eighty thousand, four hundred fifteen".

Divisors: 1 3 5 15 19 57 95 285 135019 405057 675095 2025285 2565361 7696083 12826805 38480415