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52303525 = 5211171873
BaseRepresentation
bin1100011110000…
…1011010100101
310122102021221121
43013201122211
5101342203100
65105013541
71203400261
oct307413245
9118367847
1052303525
112758445a
12156242b1
13aab3a41
146d370a1
1548d251a
hex31e16a5

52303525 has 12 divisors (see below), whose sum is σ = 64949092. Its totient is φ = 41783040.

The previous prime is 52303513. The next prime is 52303571. The reversal of 52303525 is 52530325.

52303525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 23755876 + 28547649 = 4874^2 + 5343^2 .

It is not a de Polignac number, because 52303525 - 27 = 52303397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52303525.

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, 26989 + ... + 28861.

Almost surely, 252303525 is an apocalyptic number.

It is an amenable number.

52303525 is a deficient number, since it is larger than the sum of its proper divisors (12645567).

52303525 is a wasteful number, since it uses less digits than its factorization.

52303525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 52303525 is about 7232.1176013668. The cubic root of 52303525 is about 373.9759318970.

The spelling of 52303525 in words is "fifty-two million, three hundred three thousand, five hundred twenty-five".

Divisors: 1 5 25 1117 1873 5585 9365 27925 46825 2092141 10460705 52303525