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5172786244 = 222238157781
BaseRepresentation
bin1001101000101001…
…00111010001000100
3111100111111202201201
410310110213101010
541043213124434
62213142432244
7242120646313
oct46424472104
914314452651
105172786244
1122149a295a
121004432684
136458a8182
14370ddc27a
152041d7614
hex134527444

5172786244 has 12 divisors (see below), whose sum is σ = 9052937068. Its totient is φ = 2586232800.

The previous prime is 5172786211. The next prime is 5172786247. The reversal of 5172786244 is 4426872715.

It can be written as a sum of positive squares in 2 ways, for example, as 3658798144 + 1513988100 = 60488^2 + 38910^2 .

It is a super-2 number, since 2×51727862442 = 53515435052231255072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5172786194 and 5172786203.

It is not an unprimeable number, because it can be changed into a prime (5172786247) 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, 60634 + ... + 118414.

Almost surely, 25172786244 is an apocalyptic number.

It is an amenable number.

5172786244 is a deficient number, since it is larger than the sum of its proper divisors (3880150824).

5172786244 is a wasteful number, since it uses less digits than its factorization.

5172786244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80166 (or 80164 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 5172786244 is about 71922.0845359755. The cubic root of 5172786244 is about 1729.4506641251.

The spelling of 5172786244 in words is "five billion, one hundred seventy-two million, seven hundred eighty-six thousand, two hundred forty-four".

Divisors: 1 2 4 22381 44762 57781 89524 115562 231124 1293196561 2586393122 5172786244