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2838801825 = 325220036299
BaseRepresentation
bin1010100100110100…
…1010110110100001
321022211201002000100
42221031022312201
521303213124300
61145405213013
7130230263106
oct25115126641
97284632010
102838801825
11122747a912
12672861169
133631945c2
141cd044aad
15119351700
hexa934ada1

2838801825 has 36 divisors (see below), whose sum is σ = 5087955600. Its totient is φ = 1513031520.

The previous prime is 2838801817. The next prime is 2838801839. The reversal of 2838801825 is 5281088382.

It is not a de Polignac number, because 2838801825 - 23 = 2838801817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 447526 + ... + 453824.

It is an arithmetic number, because the mean of its divisors is an integer number (141332100).

Almost surely, 22838801825 is an apocalyptic number.

2838801825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2838801825 is a deficient number, since it is larger than the sum of its proper divisors (2249153775).

2838801825 is a wasteful number, since it uses less digits than its factorization.

2838801825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8318 (or 8310 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 2838801825 is about 53280.4075153334. The cubic root of 2838801825 is about 1415.9405692403.

The spelling of 2838801825 in words is "two billion, eight hundred thirty-eight million, eight hundred one thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 2003 6009 6299 10015 18027 18897 30045 31495 50075 56691 90135 94485 150225 157475 283455 450675 472425 1417275 12616897 37850691 63084485 113552073 189253455 315422425 567760365 946267275 2838801825