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538203125 = 57832
BaseRepresentation
bin100000000101000…
…101001111110101
31101111201112220002
4200011011033311
52100240000000
6125223321045
716223436215
oct4005051765
91344645802
10538203125
1125688aa79
121302b0185
138766cab5
145169c245
15323b28d5
hex201453f5

538203125 has 24 divisors (see below), whose sum is σ = 680955288. Its totient is φ = 425375000.

The previous prime is 538203103. The next prime is 538203163. The reversal of 538203125 is 521302835.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 4 ways, for example, as 532409476 + 5793649 = 23074^2 + 2407^2 .

It is not a de Polignac number, because 538203125 - 224 = 521425909 is a prime.

It is a Duffinian number.

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, 6484334 + ... + 6484416.

It is an arithmetic number, because the mean of its divisors is an integer number (28373137).

Almost surely, 2538203125 is an apocalyptic number.

It is an amenable number.

538203125 is a deficient number, since it is larger than the sum of its proper divisors (142752163).

538203125 is an frugal number, since it uses more digits than its factorization.

538203125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 538203125 is about 23199.2052665603. The cubic root of 538203125 is about 813.4210462415.

The spelling of 538203125 in words is "five hundred thirty-eight million, two hundred three thousand, one hundred twenty-five".

Divisors: 1 5 25 83 125 415 625 2075 3125 6889 10375 15625 34445 51875 78125 172225 259375 861125 1296875 4305625 6484375 21528125 107640625 538203125