Search a number
-
+
38874382 = 219437191
BaseRepresentation
bin1001010001001…
…0110100001110
32201011000121221
42110102310032
534422440012
63505113554
7651266251
oct224226416
981130557
1038874382
111aa41998
12110288ba
1380913c1
14523d098
15362d507
hex2512d0e

38874382 has 4 divisors (see below), whose sum is σ = 58311576. Its totient is φ = 19437190.

The previous prime is 38874379. The next prime is 38874391. The reversal of 38874382 is 28347883.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×388743822 = 3022435151763848, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 9718594 + ... + 9718597.

It is an arithmetic number, because the mean of its divisors is an integer number (14577894).

Almost surely, 238874382 is an apocalyptic number.

38874382 is a deficient number, since it is larger than the sum of its proper divisors (19437194).

38874382 is a wasteful number, since it uses less digits than its factorization.

38874382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19437193.

The product of its digits is 258048, while the sum is 43.

The square root of 38874382 is about 6234.9323973881. The cubic root of 38874382 is about 338.7566525112.

The spelling of 38874382 in words is "thirty-eight million, eight hundred seventy-four thousand, three hundred eighty-two".

Divisors: 1 2 19437191 38874382