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50128475 = 522005139
BaseRepresentation
bin1011111100111…
…0011001011011
310111022210100012
42333032121123
5100313102400
64550232135
71146041105
oct277163133
9114283305
1050128475
11263292a1
121495564b
13a501a27
14692c575
154602d35
hex2fce65b

50128475 has 6 divisors (see below), whose sum is σ = 62159340. Its totient is φ = 40102760.

The previous prime is 50128459. The next prime is 50128483. The reversal of 50128475 is 57482105.

It is not a de Polignac number, because 50128475 - 24 = 50128459 is a prime.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1002545 + ... + 1002594.

It is an arithmetic number, because the mean of its divisors is an integer number (10359890).

Almost surely, 250128475 is an apocalyptic number.

50128475 is a deficient number, since it is larger than the sum of its proper divisors (12030865).

50128475 is a wasteful number, since it uses less digits than its factorization.

50128475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005149 (or 2005144 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 50128475 is about 7080.1465380315. The cubic root of 50128475 is about 368.7184172893.

The spelling of 50128475 in words is "fifty million, one hundred twenty-eight thousand, four hundred seventy-five".

Divisors: 1 5 25 2005139 10025695 50128475