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2398169825 = 5295926793
BaseRepresentation
bin1000111011110001…
…0010101011100001
320012010120122112122
42032330102223201
514402412413300
61033545034025
7113300051522
oct21674225341
96163518478
102398169825
111020782537
1256b185915
132c2ac78cc
1418a704849
15e0813c85
hex8ef12ae1

2398169825 has 6 divisors (see below), whose sum is σ = 2973730614. Its totient is φ = 1918535840.

The previous prime is 2398169801. The next prime is 2398169831. The reversal of 2398169825 is 5289618932.

2398169825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 14386849 + 2383782976 = 3793^2 + 48824^2 .

It is a de Polignac number, because none of the positive numbers 2k-2398169825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47963372 + ... + 47963421.

It is an arithmetic number, because the mean of its divisors is an integer number (495621769).

Almost surely, 22398169825 is an apocalyptic number.

2398169825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2398169825 is a deficient number, since it is larger than the sum of its proper divisors (575560789).

2398169825 is an equidigital number, since it uses as much as digits as its factorization.

2398169825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95926803 (or 95926798 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 2398169825 is about 48971.1121478775. The cubic root of 2398169825 is about 1338.5254859946.

The spelling of 2398169825 in words is "two billion, three hundred ninety-eight million, one hundred sixty-nine thousand, eight hundred twenty-five".

Divisors: 1 5 25 95926793 479633965 2398169825