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2189243532 = 223749375279
BaseRepresentation
bin1000001001111101…
…0011010010001100
312122120110002112210
42002133103102030
513440421243112
61001123030420
7105152156130
oct20237232214
95576402483
102189243532
11a23853083
1251120b410
1328b736698
1416aa7b3c0
15cc2e4b3c
hex827d348c

2189243532 has 48 divisors (see below), whose sum is σ = 5840271360. Its totient is φ = 625252992.

The previous prime is 2189243531. The next prime is 2189243543. The reversal of 2189243532 is 2353429812.

It is not an unprimeable number, because it can be changed into a prime (2189243531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412069 + ... + 417347.

It is an arithmetic number, because the mean of its divisors is an integer number (121672320).

Almost surely, 22189243532 is an apocalyptic number.

It is an amenable number.

2189243532 is an abundant number, since it is smaller than the sum of its proper divisors (3651027828).

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

2189243532 is a wasteful number, since it uses less digits than its factorization.

2189243532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10230 (or 10228 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 2189243532 is about 46789.3527632089. The cubic root of 2189243532 is about 1298.4683207163.

The spelling of 2189243532 in words is "two billion, one hundred eighty-nine million, two hundred forty-three thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 4937 5279 9874 10558 14811 15837 19748 21116 29622 31674 34559 36953 59244 63348 69118 73906 103677 110859 138236 147812 207354 221718 414708 443436 26062423 52124846 78187269 104249692 156374538 182436961 312749076 364873922 547310883 729747844 1094621766 2189243532