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50489712 = 24327133853
BaseRepresentation
bin1100000010011…
…0100101110000
310112000010212100
43000212211300
5100411132322
65002100400
71152104220
oct300464560
9115003770
1050489712
1126555739
1214aaa700
13a5ca290
1469c4080
154674dac
hex3026970

50489712 has 120 divisors (see below), whose sum is σ = 173954144. Its totient is φ = 13312512.

The previous prime is 50489701. The next prime is 50489713. The reversal of 50489712 is 21798405.

50489712 is a `hidden beast` number, since 504 + 89 + 71 + 2 = 666.

It is a super-2 number, since 2×504897122 = 5098422035685888, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50489713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11178 + ... + 15030.

Almost surely, 250489712 is an apocalyptic number.

50489712 is a gapful number since it is divisible by the number (52) 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 50489712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86977072).

50489712 is an abundant number, since it is smaller than the sum of its proper divisors (123464432).

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

50489712 is a wasteful number, since it uses less digits than its factorization.

50489712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 50489712 is about 7105.6113037514. The cubic root of 50489712 is about 369.6019873958.

The spelling of 50489712 in words is "fifty million, four hundred eighty-nine thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 1008 1092 1456 1638 1872 2184 3276 3853 4368 6552 7706 11559 13104 15412 23118 26971 30824 34677 46236 50089 53942 61648 69354 80913 92472 100178 107884 138708 150267 161826 184944 200356 215768 242739 277416 300534 323652 350623 400712 431536 450801 485478 554832 601068 647304 701246 801424 901602 970956 1051869 1202136 1294608 1402492 1803204 1941912 2103738 2404272 2804984 3155607 3606408 3883824 4207476 5609968 6311214 7212816 8414952 12622428 16829904 25244856 50489712