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50213500 = 2253293463
BaseRepresentation
bin1011111110001…
…1001001111100
310111111002222021
42333203021330
5100323313000
64552125524
71146544021
oct277431174
9114432867
1050213500
1126387167
12149968a4
13a53163c
146951548
15461d11a
hex2fe327c

50213500 has 48 divisors (see below), whose sum is σ = 113480640. Its totient is φ = 19387200.

The previous prime is 50213497. The next prime is 50213509. The reversal of 50213500 is 531205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50213509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12769 + ... + 16231.

It is an arithmetic number, because the mean of its divisors is an integer number (2364180).

Almost surely, 250213500 is an apocalyptic number.

50213500 is a gapful number since it is divisible by the number (50) 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 50213500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56740320).

50213500 is an abundant number, since it is smaller than the sum of its proper divisors (63267140).

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

50213500 is a wasteful number, since it uses less digits than its factorization.

50213500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511 (or 3499 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 50213500 is about 7086.1484602004. The cubic root of 50213500 is about 368.9267657731.

Adding to 50213500 its reverse (531205), we get a palindrome (50744705).

The spelling of 50213500 in words is "fifty million, two hundred thirteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 125 145 250 290 500 580 725 1450 2900 3463 3625 6926 7250 13852 14500 17315 34630 69260 86575 100427 173150 200854 346300 401708 432875 502135 865750 1004270 1731500 2008540 2510675 5021350 10042700 12553375 25106750 50213500