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50128142 = 253472907
BaseRepresentation
bin1011111100111…
…0010100001110
310111022202212212
42333032110032
5100313100032
64550230422
71146040121
oct277162416
9114282785
1050128142
1126329019
1214955412
13a50182c
14692c3b8
154602bb2
hex2fce50e

50128142 has 8 divisors (see below), whose sum is σ = 76611096. Its totient is φ = 24591112.

The previous prime is 50128139. The next prime is 50128157. The reversal of 50128142 is 24182105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236348 + ... + 236559.

It is an arithmetic number, because the mean of its divisors is an integer number (9576387).

Almost surely, 250128142 is an apocalyptic number.

50128142 is a deficient number, since it is larger than the sum of its proper divisors (26482954).

50128142 is a wasteful number, since it uses less digits than its factorization.

50128142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472962.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 50128142 is about 7080.1230215301. The cubic root of 50128142 is about 368.7176008305.

The spelling of 50128142 in words is "fifty million, one hundred twenty-eight thousand, one hundred forty-two".

Divisors: 1 2 53 106 472907 945814 25064071 50128142