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50213020 = 225111397181
BaseRepresentation
bin1011111110001…
…1000010011100
310111111002022111
42333203002130
5100323304040
64552123404
71146542434
oct277430234
9114432274
1050213020
1126386870
1214996564
13a531360
1469512c4
15461cdea
hex2fe309c

50213020 has 96 divisors (see below), whose sum is σ = 125850816. Its totient is φ = 16588800.

The previous prime is 50212997. The next prime is 50213021. The reversal of 50213020 is 2031205.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50213021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277330 + ... + 277510.

It is an arithmetic number, because the mean of its divisors is an integer number (1310946).

Almost surely, 250213020 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 50213020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62925408).

50213020 is an abundant number, since it is smaller than the sum of its proper divisors (75637796).

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

50213020 is a wasteful number, since it uses less digits than its factorization.

50213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 50213020 is about 7086.1145912270. The cubic root of 50213020 is about 368.9255902232.

Adding to 50213020 its reverse (2031205), we get a palindrome (52244225).

The spelling of 50213020 in words is "fifty million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 97 110 130 143 181 194 220 260 286 362 388 485 572 715 724 905 970 1067 1261 1430 1810 1940 1991 2134 2353 2522 2860 3620 3982 4268 4706 5044 5335 6305 7964 9412 9955 10670 11765 12610 13871 17557 19910 21340 23530 25220 25883 27742 35114 39820 47060 51766 55484 69355 70228 87785 103532 129415 138710 175570 193127 228241 258830 277420 351140 386254 456482 517660 772508 912964 965635 1141205 1931270 2282410 2510651 3862540 4564820 5021302 10042604 12553255 25106510 50213020