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2428919855 = 51123432577
BaseRepresentation
bin1001000011000110…
…0110000000101111
320021021102220122122
42100301212000233
514433300413410
61041004103155
7114122322665
oct22061460057
96237386578
102428919855
11103707548a
12579534abb
132c92a30ab
1419082ac35
15e3389e55
hex90c6602f

2428919855 has 8 divisors (see below), whose sum is σ = 2917306032. Its totient is φ = 1941401088.

The previous prime is 2428919849. The next prime is 2428919879. The reversal of 2428919855 is 5589198242.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2428919855 - 28 = 2428919599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2428919797 and 2428919806.

It is a congruent 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, 210674 + ... + 221903.

It is an arithmetic number, because the mean of its divisors is an integer number (364663254).

Almost surely, 22428919855 is an apocalyptic number.

2428919855 is a deficient number, since it is larger than the sum of its proper divisors (488386177).

2428919855 is a wasteful number, since it uses less digits than its factorization.

2428919855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433705.

The product of its digits is 2073600, while the sum is 53.

The square root of 2428919855 is about 49284.0730358196. The cubic root of 2428919855 is about 1344.2221941596. Note that the first 3 decimals are identical.

It can be divided in two parts, 24289 and 19855, that added together give a palindrome (44144).

The spelling of 2428919855 in words is "two billion, four hundred twenty-eight million, nine hundred nineteen thousand, eight hundred fifty-five".

Divisors: 1 5 1123 5615 432577 2162885 485783971 2428919855