Search a number
-
+
2438253642 = 231149337489
BaseRepresentation
bin1001000101010100…
…1100110001001010
320021221000010012110
42101111030301022
514443143104032
61041540123150
7114264546126
oct22125146112
96257003173
102438253642
111041370060
125806964b6
132cb1c0646
14191b7a586
15e40d07cc
hex9154cc4a

2438253642 has 32 divisors (see below), whose sum is σ = 5321615040. Its totient is φ = 738616320.

The previous prime is 2438253637. The next prime is 2438253659. The reversal of 2438253642 is 2463528342.

It is a self number, because there is not a number n which added to its sum of digits gives 2438253642.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 321834 + ... + 329322.

It is an arithmetic number, because the mean of its divisors is an integer number (166300470).

Almost surely, 22438253642 is an apocalyptic number.

2438253642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2438253642 is an abundant number, since it is smaller than the sum of its proper divisors (2883361398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2438253642 is a wasteful number, since it uses less digits than its factorization.

2438253642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12438.

The product of its digits is 276480, while the sum is 39.

The square root of 2438253642 is about 49378.6759846799. The cubic root of 2438253642 is about 1345.9418401010.

The spelling of 2438253642 in words is "two billion, four hundred thirty-eight million, two hundred fifty-three thousand, six hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 4933 7489 9866 14799 14978 22467 29598 44934 54263 82379 108526 162789 164758 247137 325578 494274 36943237 73886474 110829711 221659422 406375607 812751214 1219126821 2438253642