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50223680 = 2651312073
BaseRepresentation
bin1011111110010…
…1101001000000
310111111121221022
42333211221000
5100324124210
64552245012
71146615503
oct277455100
9114447838
1050223680
1126393881
12149a0768
13a536170
14695513a
154621155
hex2fe5a40

50223680 has 56 divisors (see below), whose sum is σ = 128805432. Its totient is φ = 18542592.

The previous prime is 50223673. The next prime is 50223709. The reversal of 50223680 is 8632205.

50223680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1893376 + 48330304 = 1376^2 + 6952^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877 + ... + 10196.

It is an arithmetic number, because the mean of its divisors is an integer number (2300097).

Almost surely, 250223680 is an apocalyptic number.

It is an amenable number.

50223680 is an abundant number, since it is smaller than the sum of its proper divisors (78581752).

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

50223680 is a wasteful number, since it uses less digits than its factorization.

50223680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103 (or 12093 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 50223680 is about 7086.8667265584. The cubic root of 50223680 is about 368.9516954613.

Adding to 50223680 its reverse (8632205), we get a palindrome (58855885).

The spelling of 50223680 in words is "fifty million, two hundred twenty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 208 260 320 416 520 832 1040 2080 4160 12073 24146 48292 60365 96584 120730 156949 193168 241460 313898 386336 482920 627796 772672 784745 965840 1255592 1569490 1931680 2511184 3138980 3863360 5022368 6277960 10044736 12555920 25111840 50223680