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53474225 = 527319857
BaseRepresentation
bin1100101111111…
…1001110110001
310201121202211212
43023333032301
5102142133400
65150045505
71216344350
oct313771661
9121552755
1053474225
1128203a82
1215aa9895
13b10386c
14715d997
154a64335
hex32ff3b1

53474225 has 24 divisors (see below), whose sum is σ = 78233088. Its totient is φ = 35481600.

The previous prime is 53474221. The next prime is 53474233. The reversal of 53474225 is 52247435.

It is not a de Polignac number, because 53474225 - 22 = 53474221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53474191 and 53474200.

It is not an unprimeable number, because it can be changed into a prime (53474221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497 + ... + 10353.

It is an arithmetic number, because the mean of its divisors is an integer number (3259712).

Almost surely, 253474225 is an apocalyptic number.

It is an amenable number.

53474225 is a deficient number, since it is larger than the sum of its proper divisors (24758863).

53474225 is a wasteful number, since it uses less digits than its factorization.

53474225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905 (or 9900 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 53474225 is about 7312.6072641706. The cubic root of 53474225 is about 376.7455804413.

The spelling of 53474225 in words is "fifty-three million, four hundred seventy-four thousand, two hundred twenty-five".

Divisors: 1 5 7 25 31 35 155 175 217 775 1085 5425 9857 49285 68999 246425 305567 344995 1527835 1724975 2138969 7639175 10694845 53474225