Search a number
-
+
2808025219 = 19236425687
BaseRepresentation
bin1010011101011111…
…0001000010000011
321020200210110110001
42213113301002003
521222323301334
61142345420431
7126404551306
oct24727610203
97220713401
102808025219
1112110699aa
1266449a717
133599a9cac
141c8d12b3d
151167c2714
hexa75f1083

2808025219 has 8 divisors (see below), whose sum is σ = 3084330240. Its totient is φ = 2544571656.

The previous prime is 2808025211. The next prime is 2808025249. The reversal of 2808025219 is 9125208082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2808025219 - 23 = 2808025211 is a prime.

It is a super-2 number, since 2×28080252192 = 15770011261079995922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2808025211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3212407 + ... + 3213280.

It is an arithmetic number, because the mean of its divisors is an integer number (385541280).

Almost surely, 22808025219 is an apocalyptic number.

2808025219 is a deficient number, since it is larger than the sum of its proper divisors (276305021).

2808025219 is a wasteful number, since it uses less digits than its factorization.

2808025219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425729.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 2808025219 is about 52990.8031548872. The cubic root of 2808025219 is about 1410.8050361461.

The spelling of 2808025219 in words is "two billion, eight hundred eight million, twenty-five thousand, two hundred nineteen".

Divisors: 1 19 23 437 6425687 122088053 147790801 2808025219