Search a number
-
+
389164028 = 221119146307
BaseRepresentation
bin10111001100100…
…010101111111100
31000010021120200112
4113030202233330
51244111222103
6102341045152
712433561001
oct2714425774
91003246615
10389164028
1118a744770
12aa3b67b8
1362819396
14399838a8
1524272cd8
hex17322bfc

389164028 has 24 divisors (see below), whose sum is σ = 746855424. Its totient is φ = 175962800.

The previous prime is 389163961. The next prime is 389164037. The reversal of 389164028 is 820461983.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14750 + ... + 31557.

It is an arithmetic number, because the mean of its divisors is an integer number (31118976).

Almost surely, 2389164028 is an apocalyptic number.

It is an amenable number.

389164028 is a deficient number, since it is larger than the sum of its proper divisors (357691396).

389164028 is a wasteful number, since it uses less digits than its factorization.

389164028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46513 (or 46511 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 389164028 is about 19727.2407599238. The cubic root of 389164028 is about 730.0919556395.

The spelling of 389164028 in words is "three hundred eighty-nine million, one hundred sixty-four thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 191 382 764 2101 4202 8404 46307 92614 185228 509377 1018754 2037508 8844637 17689274 35378548 97291007 194582014 389164028