Search a number
-
+
2389161494 = 213112597243
BaseRepresentation
bin1000111001100111…
…1011011000010110
320011111121222102202
42032121323120112
514343111131434
61033024004502
7113130352256
oct21631733026
96144558382
102389161494
11101668a435
12568160732
132c0c92535
1418943b966
15deb34a7e
hex8e67b616

2389161494 has 16 divisors (see below), whose sum is σ = 3614466240. Its totient is φ = 1184356680.

The previous prime is 2389161493. The next prime is 2389161497. The reversal of 2389161494 is 4941619832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389161493) by changing a digit.

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, 326237 + ... + 333479.

It is an arithmetic number, because the mean of its divisors is an integer number (225904140).

Almost surely, 22389161494 is an apocalyptic number.

2389161494 is a deficient number, since it is larger than the sum of its proper divisors (1225304746).

2389161494 is a wasteful number, since it uses less digits than its factorization.

2389161494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635.

The product of its digits is 373248, while the sum is 47.

The square root of 2389161494 is about 48879.0496429708. The cubic root of 2389161494 is about 1336.8473993824.

The spelling of 2389161494 in words is "two billion, three hundred eighty-nine million, one hundred sixty-one thousand, four hundred ninety-four".

Divisors: 1 2 131 262 1259 2518 7243 14486 164929 329858 948833 1897666 9118937 18237874 1194580747 2389161494