Search a number
-
+
384075890 = 25113491599
BaseRepresentation
bin10110111001001…
…000100001110010
3222202201002001222
4112321020201302
51241310412030
6102040025042
712342406532
oct2671104162
9882632058
10384075890
111878899a0
12a8762182
1361757453
143901b4c2
1523aba3e5
hex16e48872

384075890 has 16 divisors (see below), whose sum is σ = 754185600. Its totient is φ = 139663920.

The previous prime is 384075889. The next prime is 384075893. The reversal of 384075890 is 98570483.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384075893) 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, 1745690 + ... + 1745909.

It is an arithmetic number, because the mean of its divisors is an integer number (47136600).

Almost surely, 2384075890 is an apocalyptic number.

384075890 is a deficient number, since it is larger than the sum of its proper divisors (370109710).

384075890 is a wasteful number, since it uses less digits than its factorization.

384075890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491617.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 384075890 is about 19597.8542192762. The cubic root of 384075890 is about 726.8961163684.

The spelling of 384075890 in words is "three hundred eighty-four million, seventy-five thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 3491599 6983198 17457995 34915990 38407589 76815178 192037945 384075890