Search a number
-
+
38879998 = 243479619
BaseRepresentation
bin1001010001010…
…0001011111110
32201011022022221
42110110023332
534423124443
63505155554
7651321523
oct224241376
981138287
1038879998
111aa46133
121102bbba
138093b21
14524114a
15362eeed
hex25142fe

38879998 has 16 divisors (see below), whose sum is σ = 60952320. Its totient is φ = 18581976.

The previous prime is 38879993. The next prime is 38879999. The reversal of 38879998 is 89997883.

38879998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38879993) 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 7 ways as a sum of consecutive naturals, for example, 768 + ... + 8851.

It is an arithmetic number, because the mean of its divisors is an integer number (3809520).

Almost surely, 238879998 is an apocalyptic number.

38879998 is a deficient number, since it is larger than the sum of its proper divisors (22072322).

38879998 is a wasteful number, since it uses less digits than its factorization.

38879998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9711.

The product of its digits is 7838208, while the sum is 61.

The square root of 38879998 is about 6235.3827468729. The cubic root of 38879998 is about 338.7729645883.

The spelling of 38879998 in words is "thirty-eight million, eight hundred seventy-nine thousand, nine hundred ninety-eight".

Divisors: 1 2 43 47 86 94 2021 4042 9619 19238 413617 452093 827234 904186 19439999 38879998