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872796725 = 52417091201
BaseRepresentation
bin110100000001011…
…101001000110101
32020211022200000122
4310001131020311
53241413443400
6222335021325
730425435603
oct6401351065
92224280018
10872796725
11408742109
1220436a845
1310ba90688
1483cb8873
1551956685
hex3405d235

872796725 has 24 divisors (see below), whose sum is σ = 1111152840. Its totient is φ = 679680000.

The previous prime is 872796719. The next prime is 872796733. The reversal of 872796725 is 527697278.

It can be written as a sum of positive squares in 12 ways, for example, as 845995396 + 26801329 = 29086^2 + 5177^2 .

It is not a de Polignac number, because 872796725 - 214 = 872780341 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 726125 + ... + 727325.

It is an arithmetic number, because the mean of its divisors is an integer number (46298035).

Almost surely, 2872796725 is an apocalyptic number.

It is an amenable number.

872796725 is a deficient number, since it is larger than the sum of its proper divisors (238356115).

872796725 is a wasteful number, since it uses less digits than its factorization.

872796725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1956 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The square root of 872796725 is about 29543.1332969271. The cubic root of 872796725 is about 955.6621140532.

The spelling of 872796725 in words is "eight hundred seventy-two million, seven hundred ninety-six thousand, seven hundred twenty-five".

Divisors: 1 5 25 41 205 709 1025 1201 3545 6005 17725 29069 30025 49241 145345 246205 726725 851509 1231025 4257545 21287725 34911869 174559345 872796725