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2752500481 = 17161911793
BaseRepresentation
bin1010010000001111…
…1101001100000001
321002211022111211021
42210003331030001
521114120003411
61133043345441
7125131603513
oct24403751401
97084274737
102752500481
111192795395
12649982281
1334b339013
141c17bbbb3
151119a5a71
hexa40fd301

2752500481 has 4 divisors (see below), whose sum is σ = 2914412292. Its totient is φ = 2590588672.

The previous prime is 2752500479. The next prime is 2752500521. The reversal of 2752500481 is 1840052572.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1978826256 + 773674225 = 44484^2 + 27815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2752500481 - 21 = 2752500479 is a prime.

It is a super-2 number, since 2×27525004812 = 15152517795810462722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2752500431) 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 3 ways as a sum of consecutive naturals, for example, 80955880 + ... + 80955913.

It is an arithmetic number, because the mean of its divisors is an integer number (728603073).

Almost surely, 22752500481 is an apocalyptic number.

It is an amenable number.

2752500481 is a deficient number, since it is larger than the sum of its proper divisors (161911811).

2752500481 is a wasteful number, since it uses less digits than its factorization.

2752500481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161911810.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 2752500481 is about 52464.2781423704. The cubic root of 2752500481 is about 1401.4441697886. Note that the first 3 decimals are identical.

The spelling of 2752500481 in words is "two billion, seven hundred fifty-two million, five hundred thousand, four hundred eighty-one".

Divisors: 1 17 161911793 2752500481