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50216320 = 2757111019
BaseRepresentation
bin1011111110001…
…1110110000000
310111111020211201
42333203312000
5100323410240
64552150544
71146555160
oct277436600
9114436751
1050216320
11263892a0
1214998454
13a5329cb
1469525a0
15461dd9a
hex2fe3d80

50216320 has 128 divisors (see below), whose sum is σ = 149817600. Its totient is φ = 15636480.

The previous prime is 50216273. The next prime is 50216321. The reversal of 50216320 is 2361205.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50216321) 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, 48771 + ... + 49789.

It is an arithmetic number, because the mean of its divisors is an integer number (1170450).

Almost surely, 250216320 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 50216320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74908800).

50216320 is an abundant number, since it is smaller than the sum of its proper divisors (99601280).

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

50216320 is a wasteful number, since it uses less digits than its factorization.

50216320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 50216320 is about 7086.3474371498. The cubic root of 50216320 is about 368.9336719769.

Adding to 50216320 its reverse (2361205), we get a palindrome (52577525).

The spelling of 50216320 in words is "fifty million, two hundred sixteen thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 280 308 320 352 385 440 448 560 616 640 704 770 880 896 1019 1120 1232 1408 1540 1760 2038 2240 2464 3080 3520 4076 4480 4928 5095 6160 7040 7133 8152 9856 10190 11209 12320 14266 16304 20380 22418 24640 28532 32608 35665 40760 44836 49280 56045 57064 65216 71330 78463 81520 89672 112090 114128 130432 142660 156926 163040 179344 224180 228256 285320 313852 326080 358688 392315 448360 456512 570640 627704 652160 717376 784630 896720 913024 1141280 1255408 1434752 1569260 1793440 2282560 2510816 3138520 3586880 4565120 5021632 6277040 7173760 10043264 12554080 25108160 50216320