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50187812 = 2289140977
BaseRepresentation
bin1011111101110…
…0111000100100
310111102210201212
42333130320210
5100322002222
64551410552
71146406103
oct277347044
9114383655
1050187812
1126369934
1214983a58
13a522a3c
14694603a
1546156e2
hex2fdce24

50187812 has 12 divisors (see below), whose sum is σ = 88816140. Its totient is φ = 24811776.

The previous prime is 50187793. The next prime is 50187821. The reversal of 50187812 is 21878105.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5885476 + 44302336 = 2426^2 + 6656^2 .

It is an alternating number because its digits alternate between odd and even.

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, 70133 + ... + 70844.

It is an arithmetic number, because the mean of its divisors is an integer number (7401345).

Almost surely, 250187812 is an apocalyptic number.

It is an amenable number.

50187812 is a deficient number, since it is larger than the sum of its proper divisors (38628328).

50187812 is a wasteful number, since it uses less digits than its factorization.

50187812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141070 (or 141068 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 50187812 is about 7084.3356781000. The cubic root of 50187812 is about 368.8638437349.

The spelling of 50187812 in words is "fifty million, one hundred eighty-seven thousand, eight hundred twelve".

Divisors: 1 2 4 89 178 356 140977 281954 563908 12546953 25093906 50187812