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2164408792 = 237213424727
BaseRepresentation
bin1000000100000010…
…0100000111011000
312120211201100200121
42001000210013120
513413042040132
6554434443024
7104431112500
oct20100440730
95524640617
102164408792
11a108303a7
12504a33474
1328654c780
14167654a00
15ca03b497
hex810241d8

2164408792 has 48 divisors (see below), whose sum is σ = 5083994160. Its totient is φ = 856247616.

The previous prime is 2164408789. The next prime is 2164408793. The reversal of 2164408792 is 2978044612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164408793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207268 + ... + 217459.

It is an arithmetic number, because the mean of its divisors is an integer number (105916545).

Almost surely, 22164408792 is an apocalyptic number.

It is an amenable number.

2164408792 is an abundant number, since it is smaller than the sum of its proper divisors (2919585368).

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

2164408792 is a wasteful number, since it uses less digits than its factorization.

2164408792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424760 (or 424749 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2164408792 is about 46523.2070261714. The cubic root of 2164408792 is about 1293.5397028422.

The spelling of 2164408792 in words is "two billion, one hundred sixty-four million, four hundred eight thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 182 196 364 392 637 728 1274 2548 5096 424727 849454 1698908 2973089 3397816 5521451 5946178 11042902 11892356 20811623 22085804 23784712 38650157 41623246 44171608 77300314 83246492 154600628 166492984 270551099 309201256 541102198 1082204396 2164408792