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2230852808 = 23166992
BaseRepresentation
bin1000010011111000…
…0001110011001000
312202110202001202002
42010332001303020
514032044242213
61005210530132
7106165636022
oct20476016310
95673661662
102230852808
11a45292808
12523136948
13297244862
141723cd012
15d0cb3658
hex84f81cc8

2230852808 has 12 divisors (see below), whose sum is σ = 4183099515. Its totient is φ = 1115359608.

The previous prime is 2230852807. The next prime is 2230852817. The reversal of 2230852808 is 8082580322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1115426404 + 1115426404 = 33398^2 + 33398^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=33398.

It is a super-3 number, since 3×22308528083 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230852801) 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 2 ways as a sum of consecutive naturals, for example, 125243 + ... + 141941.

Almost surely, 22230852808 is an apocalyptic number.

It is an amenable number.

2230852808 is a deficient number, since it is larger than the sum of its proper divisors (1952246707).

2230852808 is an frugal number, since it uses more digits than its factorization.

2230852808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33404 (or 16701 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 2230852808 is about 47231.9045561366. The cubic root of 2230852808 is about 1306.6430780947.

The spelling of 2230852808 in words is "two billion, two hundred thirty million, eight hundred fifty-two thousand, eight hundred eight".

Divisors: 1 2 4 8 16699 33398 66796 133592 278856601 557713202 1115426404 2230852808