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50981120 = 28539829
BaseRepresentation
bin1100001001111…
…0100100000000
310112221002221122
43002132210000
5101022343440
65020411412
71156222001
oct302364400
9115832848
1050981120
1126860963
12150a6b68
13a73cb58
146ab11a8
1547207b5
hex309e900

50981120 has 36 divisors (see below), whose sum is σ = 122118780. Its totient is φ = 20391936.

The previous prime is 50981111. The next prime is 50981129. The reversal of 50981120 is 2118905.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50981111) and next prime (50981129).

It can be written as a sum of positive squares in 2 ways, for example, as 35236096 + 15745024 = 5936^2 + 3968^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50981120.

It is not an unprimeable number, because it can be changed into a prime (50981129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18635 + ... + 21194.

Almost surely, 250981120 is an apocalyptic number.

It is an amenable number.

50981120 is an abundant number, since it is smaller than the sum of its proper divisors (71137660).

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

50981120 is an equidigital number, since it uses as much as digits as its factorization.

50981120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39850 (or 39836 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 50981120 is about 7140.1064417836. The cubic root of 50981120 is about 370.7972097400.

The spelling of 50981120 in words is "fifty million, nine hundred eighty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 39829 79658 159316 199145 318632 398290 637264 796580 1274528 1593160 2549056 3186320 5098112 6372640 10196224 12745280 25490560 50981120