Search a number
-
+
50455146 = 23719232749
BaseRepresentation
bin1100000001111…
…0001001101010
310111221101110010
43000132021222
5100404031041
65001232350
71151601360
oct300361152
9114841403
1050455146
1126531775
1214a926b6
13a5b7621
1469b5630
154669a16
hex301e26a

50455146 has 64 divisors (see below), whose sum is σ = 126720000. Its totient is φ = 13058496.

The previous prime is 50455129. The next prime is 50455151. The reversal of 50455146 is 64155405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16980 + ... + 19728.

It is an arithmetic number, because the mean of its divisors is an integer number (1980000).

Almost surely, 250455146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50455146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63360000).

50455146 is an abundant number, since it is smaller than the sum of its proper divisors (76264854).

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

50455146 is a wasteful number, since it uses less digits than its factorization.

50455146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 50455146 is about 7103.1785842678. The cubic root of 50455146 is about 369.5176231537.

The spelling of 50455146 in words is "fifty million, four hundred fifty-five thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 19 21 23 38 42 46 57 69 114 133 138 161 266 322 399 437 483 798 874 966 1311 2622 2749 3059 5498 6118 8247 9177 16494 18354 19243 38486 52231 57729 63227 104462 115458 126454 156693 189681 313386 365617 379362 442589 731234 885178 1096851 1201313 1327767 2193702 2402626 2655534 3603939 7207878 8409191 16818382 25227573 50455146