Search a number
-
+
2898831625 = 5323190653
BaseRepresentation
bin1010110011001000…
…1010100100001001
321111000122220102021
42230302022210021
521414100103000
61155352004441
7131556443104
oct25462124411
97430586367
102898831625
111258351118
1268a990721
13372751cb1
141d6dcd73b
1511e75d11a
hexacc8a909

2898831625 has 8 divisors (see below), whose sum is σ = 3617742024. Its totient is φ = 2319065200.

The previous prime is 2898831599. The next prime is 2898831631. The reversal of 2898831625 is 5261388982.

It can be written as a sum of positive squares in 4 ways, for example, as 624400144 + 2274431481 = 24988^2 + 47691^2 .

It is not a de Polignac number, because 2898831625 - 219 = 2898307337 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 11595202 + ... + 11595451.

It is an arithmetic number, because the mean of its divisors is an integer number (452217753).

Almost surely, 22898831625 is an apocalyptic number.

2898831625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2898831625 is a deficient number, since it is larger than the sum of its proper divisors (718910399).

2898831625 is an equidigital number, since it uses as much as digits as its factorization.

2898831625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23190668 (or 23190658 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 52.

The square root of 2898831625 is about 53840.7988889467. The cubic root of 2898831625 is about 1425.8516095597.

The spelling of 2898831625 in words is "two billion, eight hundred ninety-eight million, eight hundred thirty-one thousand, six hundred twenty-five".

Divisors: 1 5 25 125 23190653 115953265 579766325 2898831625