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50807808 = 2103237149
BaseRepresentation
bin1100000111010…
…0010000000000
310112121022012200
43001310100000
5101001322213
65012553200
71154600502
oct301642000
9115538180
1050807808
1126752727
1215022800
13a6abcbc
146a67d72
1546d9273
hex3074400

50807808 has 132 divisors (see below), whose sum is σ = 151682700. Its totient is φ = 16367616.

The previous prime is 50807807. The next prime is 50807819. The reversal of 50807808 is 80870805.

It can be written as a sum of positive squares in 2 ways, for example, as 25887744 + 24920064 = 5088^2 + 4992^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50807803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340918 + ... + 341066.

Almost surely, 250807808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50807808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75841350).

50807808 is an abundant number, since it is smaller than the sum of its proper divisors (100874892).

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

50807808 is a wasteful number, since it uses less digits than its factorization.

50807808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 50807808 is about 7127.9595958451. The cubic root of 50807808 is about 370.3765535837.

It can be divided in two parts, 50807 and 808, that added together give a palindrome (51615).

The spelling of 50807808 in words is "fifty million, eight hundred seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 64 72 74 96 111 128 144 148 149 192 222 256 288 296 298 333 384 444 447 512 576 592 596 666 768 888 894 1024 1152 1184 1192 1332 1341 1536 1776 1788 2304 2368 2384 2664 2682 3072 3552 3576 4608 4736 4768 5328 5364 5513 7104 7152 9216 9472 9536 10656 10728 11026 14208 14304 16539 18944 19072 21312 21456 22052 28416 28608 33078 37888 38144 42624 42912 44104 49617 56832 57216 66156 76288 85248 85824 88208 99234 113664 114432 132312 152576 170496 171648 176416 198468 228864 264624 340992 343296 352832 396936 457728 529248 686592 705664 793872 1058496 1373184 1411328 1587744 2116992 2822656 3175488 4233984 5645312 6350976 8467968 12701952 16935936 25403904 50807808