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50987420 = 225111713633
BaseRepresentation
bin1100001010000…
…0000110011100
310112221102120222
43002200012130
5101023044140
65020500512
71156246241
oct302400634
9115842528
1050987420
1126865670
12150aa738
13a742993
146ab35c8
1547225b5
hex30a019c

50987420 has 48 divisors (see below), whose sum is σ = 123687648. Its totient is φ = 17448960.

The previous prime is 50987413. The next prime is 50987429. The reversal of 50987420 is 2478905.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50987429) 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, 3077 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (2576826).

Almost surely, 250987420 is an apocalyptic number.

It is an amenable number.

50987420 is an abundant number, since it is smaller than the sum of its proper divisors (72700228).

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

50987420 is a wasteful number, since it uses less digits than its factorization.

50987420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13670 (or 13668 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 50987420 is about 7140.5475980488. The cubic root of 50987420 is about 370.8124828855.

The spelling of 50987420 in words is "fifty million, nine hundred eighty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 13633 27266 54532 68165 136330 149963 231761 272660 299926 463522 599852 749815 927044 1158805 1499630 2317610 2549371 2999260 4635220 5098742 10197484 12746855 25493710 50987420