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50388856 = 2372191673
BaseRepresentation
bin1100000000110…
…1111101111000
310111211000111221
43000031331320
5100344420411
65000001424
71151204200
oct300157570
9114730457
1050388856
1126496991
1214a60274
13a5933bb
146999400
154655071
hex300df78

50388856 has 48 divisors (see below), whose sum is σ = 110643840. Its totient is φ = 21450240.

The previous prime is 50388853. The next prime is 50388869. The reversal of 50388856 is 65888305.

50388856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50388853) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 74536 + ... + 75208.

It is an arithmetic number, because the mean of its divisors is an integer number (2305080).

Almost surely, 250388856 is an apocalyptic number.

50388856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50388856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55321920).

50388856 is an abundant number, since it is smaller than the sum of its proper divisors (60254984).

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

50388856 is a wasteful number, since it uses less digits than its factorization.

50388856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 50388856 is about 7098.5108297445. The cubic root of 50388856 is about 369.3557231912.

The spelling of 50388856 in words is "fifty million, three hundred eighty-eight thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 49 56 98 191 196 382 392 673 764 1337 1346 1528 2674 2692 4711 5348 5384 9359 9422 10696 18718 18844 32977 37436 37688 65954 74872 128543 131908 257086 263816 514172 899801 1028344 1799602 3599204 6298607 7198408 12597214 25194428 50388856