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50250690 = 2325731283
BaseRepresentation
bin1011111110110…
…0001111000010
310111112222222200
42333230033002
5100331010230
64553014030
71150060320
oct277541702
9114488880
1050250690
11264020a6
12149b4316
13a545549
146960d10
154629160
hex2fec3c2

50250690 has 144 divisors (see below), whose sum is σ = 156147264. Its totient is φ = 10981440.

The previous prime is 50250689. The next prime is 50250719. The reversal of 50250690 is 9605205.

It is a super-2 number, since 2×502506902 = 5050263690952200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 605389 + ... + 605471.

It is an arithmetic number, because the mean of its divisors is an integer number (1084356).

Almost surely, 250250690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50250690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78073632).

50250690 is an abundant number, since it is smaller than the sum of its proper divisors (105896574).

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

50250690 is a wasteful number, since it uses less digits than its factorization.

50250690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 50250690 is about 7088.7721080593. The cubic root of 50250690 is about 369.0178236262.

Adding to 50250690 its reverse (9605205), we get a palindrome (59855895).

The spelling of 50250690 in words is "fifty million, two hundred fifty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 31 35 42 45 62 63 70 83 90 93 105 126 155 166 186 210 217 249 279 310 315 415 434 465 498 558 581 630 651 747 830 930 961 1085 1162 1245 1302 1395 1494 1743 1922 1953 2170 2490 2573 2790 2883 2905 3255 3486 3735 3906 4805 5146 5229 5766 5810 6510 6727 7470 7719 8649 8715 9610 9765 10458 12865 13454 14415 15438 17298 17430 18011 19530 20181 23157 25730 26145 28830 33635 36022 38595 40362 43245 46314 52290 54033 60543 67270 77190 79763 86490 90055 100905 108066 115785 121086 159526 162099 180110 201810 231570 239289 270165 302715 324198 398815 478578 540330 558341 605430 717867 797630 810495 1116682 1196445 1435734 1620990 1675023 2392890 2791705 3350046 3589335 5025069 5583410 7178670 8375115 10050138 16750230 25125345 50250690