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50132220 = 22355931409
BaseRepresentation
bin1011111100111…
…1010011111100
310111022222110220
42333033103330
5100313212340
64550301340
71146055035
oct277172374
9114288426
1050132220
1126331096
1214957850
13a503648
14692da8c
154603ed0
hex2fcf4fc

50132220 has 48 divisors (see below), whose sum is σ = 140706720. Its totient is φ = 13336576.

The previous prime is 50132209. The next prime is 50132227. The reversal of 50132220 is 2223105.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 50132220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50132227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34876 + ... + 36284.

It is an arithmetic number, because the mean of its divisors is an integer number (2931390).

Almost surely, 250132220 is an apocalyptic number.

It is an amenable number.

50132220 is an abundant number, since it is smaller than the sum of its proper divisors (90574500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50132220 is a wasteful number, since it uses less digits than its factorization.

50132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 50132220 is about 7080.4110050194. The cubic root of 50132220 is about 368.7275991372.

Adding to 50132220 its reverse (2223105), we get a palindrome (52355325).

The spelling of 50132220 in words is "fifty million, one hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 593 1186 1409 1779 2372 2818 2965 3558 4227 5636 5930 7045 7116 8454 8895 11860 14090 16908 17790 21135 28180 35580 42270 84540 835537 1671074 2506611 3342148 4177685 5013222 8355370 10026444 12533055 16710740 25066110 50132220