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2152843892 = 221731659469
BaseRepresentation
bin1000000001010001…
…1100101001110100
312120000221210121222
42000110130221310
513402112001032
6553342525512
7104230604543
oct20024345164
95500853558
102152843892
11a05251531
12500b96898
13284030834
14165cc415a
15c9004a12
hex8051ca74

2152843892 has 12 divisors (see below), whose sum is σ = 3989093220. Its totient is φ = 1013102976.

The previous prime is 2152843879. The next prime is 2152843937. The reversal of 2152843892 is 2983482512.

It can be written as a sum of positive squares in 2 ways, for example, as 1790474596 + 362369296 = 42314^2 + 19036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15829667 + ... + 15829802.

It is an arithmetic number, because the mean of its divisors is an integer number (332424435).

Almost surely, 22152843892 is an apocalyptic number.

It is an amenable number.

2152843892 is a deficient number, since it is larger than the sum of its proper divisors (1836249328).

2152843892 is a wasteful number, since it uses less digits than its factorization.

2152843892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31659490 (or 31659488 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 2152843892 is about 46398.7488193378. The cubic root of 2152843892 is about 1291.2317006203.

The spelling of 2152843892 in words is "two billion, one hundred fifty-two million, eight hundred forty-three thousand, eight hundred ninety-two".

Divisors: 1 2 4 17 34 68 31659469 63318938 126637876 538210973 1076421946 2152843892