Search a number
-
+
2081459529 = 32231273281
BaseRepresentation
bin111110000010000…
…1000110101001001
312101001122002200200
41330010020311021
513230323201104
6542312522413
7102403054062
oct17404106511
95331562620
102081459529
11978a25396
124a10b0409
132722c8b76
1415a621569
15c2b03b39
hex7c108d49

2081459529 has 6 divisors (see below), whose sum is σ = 3006552666. Its totient is φ = 1387639680.

The previous prime is 2081459503. The next prime is 2081459537. The reversal of 2081459529 is 9259541802.

It is a happy number.

2081459529 is a `hidden beast` number, since 2 + 0 + 81 + 45 + 9 + 529 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1517492025 + 563967504 = 38955^2 + 23748^2 .

It is not a de Polignac number, because 2081459529 - 220 = 2080410953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081459729) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 115636632 + ... + 115636649.

It is an arithmetic number, because the mean of its divisors is an integer number (501092111).

Almost surely, 22081459529 is an apocalyptic number.

It is an amenable number.

2081459529 is a deficient number, since it is larger than the sum of its proper divisors (925093137).

2081459529 is a wasteful number, since it uses less digits than its factorization.

2081459529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231273287 (or 231273284 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 2081459529 is about 45623.0153431357. The cubic root of 2081459529 is about 1276.7993620826.

The spelling of 2081459529 in words is "two billion, eighty-one million, four hundred fifty-nine thousand, five hundred twenty-nine".

Divisors: 1 3 9 231273281 693819843 2081459529