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2303603725 = 52155359333
BaseRepresentation
bin1000100101001110…
…0011010000001101
312221112122012020111
42021103203100031
514204210304400
61020330120021
7111041210563
oct21123432015
95845565214
102303603725
11a82362635
12543580011
132a9337537
1417bd29a33
15d73843ba
hex894e340d

2303603725 has 12 divisors (see below), whose sum is σ = 2858356116. Its totient is φ = 1841665280.

The previous prime is 2303603693. The next prime is 2303603741. The reversal of 2303603725 is 5273063032.

It can be written as a sum of positive squares in 6 ways, for example, as 339075396 + 1964528329 = 18414^2 + 44323^2 .

It is not a de Polignac number, because 2303603725 - 25 = 2303603693 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 9159 + ... + 68491.

It is an arithmetic number, because the mean of its divisors is an integer number (238196343).

Almost surely, 22303603725 is an apocalyptic number.

2303603725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2303603725 is a deficient number, since it is larger than the sum of its proper divisors (554752391).

2303603725 is a wasteful number, since it uses less digits than its factorization.

2303603725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60896 (or 60891 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 2303603725 is about 47995.8719579090. The cubic root of 2303603725 is about 1320.6951735020.

Adding to 2303603725 its reverse (5273063032), we get a palindrome (7576666757).

The spelling of 2303603725 in words is "two billion, three hundred three million, six hundred three thousand, seven hundred twenty-five".

Divisors: 1 5 25 1553 7765 38825 59333 296665 1483325 92144149 460720745 2303603725