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50531125 = 53404249
BaseRepresentation
bin1100000011000…
…0101100110101
310112002020200011
43000300230311
5100413444000
65003020221
71152336031
oct300605465
9115066604
1050531125
1126583867
1214b0a671
13a613098
1469d51c1
1546822ba
hex3030b35

50531125 has 8 divisors (see below), whose sum is σ = 63063000. Its totient is φ = 40424800.

The previous prime is 50531113. The next prime is 50531153. The reversal of 50531125 is 52113505.

It can be written as a sum of positive squares in 4 ways, for example, as 842724 + 49688401 = 918^2 + 7049^2 .

It is not a de Polignac number, because 50531125 - 211 = 50529077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50531096 and 50531105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202000 + ... + 202249.

It is an arithmetic number, because the mean of its divisors is an integer number (7882875).

Almost surely, 250531125 is an apocalyptic number.

It is an amenable number.

50531125 is a deficient number, since it is larger than the sum of its proper divisors (12531875).

50531125 is an equidigital number, since it uses as much as digits as its factorization.

50531125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404264 (or 404254 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 50531125 is about 7108.5248118017. The cubic root of 50531125 is about 369.7030122286.

The spelling of 50531125 in words is "fifty million, five hundred thirty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 404249 2021245 10106225 50531125