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50013450 = 2345253233
BaseRepresentation
bin1011111011001…
…0010100001010
310111002221120000
42332302110022
5100300412300
64543543430
71145051544
oct276622412
9114087500
1050013450
112625a933
12148bab76
13a491576
1468dc694
1545cdc00
hex2fb250a

50013450 has 120 divisors (see below), whose sum is σ = 142192908. Its totient is φ = 13029120.

The previous prime is 50013443. The next prime is 50013479. The reversal of 50013450 is 5431005.

50013450 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 6 ways, for example, as 15896169 + 34117281 = 3987^2 + 5841^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 59 ways as a sum of consecutive naturals, for example, 214534 + ... + 214766.

Almost surely, 250013450 is an apocalyptic number.

50013450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50013450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71096454).

50013450 is an abundant number, since it is smaller than the sum of its proper divisors (92179458).

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

50013450 is a wasteful number, since it uses less digits than its factorization.

50013450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 50013450 is about 7072.0188065361. The cubic root of 50013450 is about 368.4361803849.

Adding to 50013450 its reverse (5431005), we get a palindrome (55444455).

The spelling of 50013450 in words is "fifty million, thirteen thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 53 54 75 81 90 106 135 150 159 162 225 233 265 270 318 405 450 466 477 530 675 699 795 810 954 1165 1325 1350 1398 1431 1590 2025 2097 2330 2385 2650 2862 3495 3975 4050 4194 4293 4770 5825 6291 6990 7155 7950 8586 10485 11650 11925 12349 12582 14310 17475 18873 20970 21465 23850 24698 31455 34950 35775 37047 37746 42930 52425 61745 62910 71550 74094 94365 104850 107325 111141 123490 157275 185235 188730 214650 222282 308725 314550 333423 370470 471825 555705 617450 666846 926175 943650 1000269 1111410 1667115 1852350 2000538 2778525 3334230 5001345 5557050 8335575 10002690 16671150 25006725 50013450