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2527422731 = 1929477393
BaseRepresentation
bin1001011010100101…
…0110100100001011
320112010210101012022
42112221112210023
520134010011411
61054443235055
7116426511251
oct22651264413
96463711168
102527422731
111087734119
125a6518a8b
13313811312
1419d94c5d1
15ebd45edb
hex96a5690b

2527422731 has 12 divisors (see below), whose sum is σ = 2670624072. Its totient is φ = 2391548544.

The previous prime is 2527422721. The next prime is 2527422757. The reversal of 2527422731 is 1372247252.

It is a de Polignac number, because none of the positive numbers 2k-2527422731 is a prime.

It is a super-2 number, since 2×25274227312 = 12775731322350996722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2527422691 and 2527422700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2527422721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338171 + ... + 345563.

It is an arithmetic number, because the mean of its divisors is an integer number (222552006).

Almost surely, 22527422731 is an apocalyptic number.

2527422731 is a deficient number, since it is larger than the sum of its proper divisors (143201341).

2527422731 is an equidigital number, since it uses as much as digits as its factorization.

2527422731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378 (or 8359 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 2527422731 is about 50273.4794001768. The cubic root of 2527422731 is about 1362.1532231523.

Adding to 2527422731 its reverse (1372247252), we get a palindrome (3899669983).

The spelling of 2527422731 in words is "two billion, five hundred twenty-seven million, four hundred twenty-two thousand, seven hundred thirty-one".

Divisors: 1 19 361 947 7393 17993 140467 341867 2668873 7001171 133022249 2527422731