Search a number
-
+
2008898285 = 5401779657
BaseRepresentation
bin111011110111101…
…0101101011101101
312012000002121101012
41313233111223231
513103234221120
6531201355005
7100532232212
oct16757255355
95160077335
102008898285
11940a75019
12480938a65
13260271614
14150b33b09
15bb56e1c5
hex77bd5aed

2008898285 has 4 divisors (see below), whose sum is σ = 2410677948. Its totient is φ = 1607118624.

The previous prime is 2008898261. The next prime is 2008898323. The reversal of 2008898285 is 5828988002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 893471881 + 1115426404 = 29891^2 + 33398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008898285 - 28 = 2008898029 is a prime.

It is a Duffinian number.

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, 200889824 + ... + 200889833.

It is an arithmetic number, because the mean of its divisors is an integer number (602669487).

Almost surely, 22008898285 is an apocalyptic number.

It is an amenable number.

2008898285 is a deficient number, since it is larger than the sum of its proper divisors (401779663).

2008898285 is an equidigital number, since it uses as much as digits as its factorization.

2008898285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401779662.

The product of its (nonzero) digits is 737280, while the sum is 50.

The square root of 2008898285 is about 44820.7349895113. The cubic root of 2008898285 is about 1261.7868083793.

The spelling of 2008898285 in words is "two billion, eight million, eight hundred ninety-eight thousand, two hundred eighty-five".

Divisors: 1 5 401779657 2008898285