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216630050 = 252713471013
BaseRepresentation
bin11001110100110…
…00001100100010
3120002121221120012
430322120030202
5420424130200
633255044522
75240216330
oct1472301442
9502557505
10216630050
111013113aa
1260670742
1335b5a880
1420ab0b50
1514041a35
hexce98322

216630050 has 96 divisors (see below), whose sum is σ = 506967552. Its totient is φ = 67034880.

The previous prime is 216630049. The next prime is 216630053. The reversal of 216630050 is 50036612.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 216629998 and 216630025.

It is not an unprimeable number, because it can be changed into a prime (216630053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213344 + ... + 214356.

It is an arithmetic number, because the mean of its divisors is an integer number (5280912).

Almost surely, 2216630050 is an apocalyptic number.

216630050 is an abundant number, since it is smaller than the sum of its proper divisors (290337502).

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

216630050 is a wasteful number, since it uses less digits than its factorization.

216630050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 216630050 is about 14718.3575850025. The cubic root of 216630050 is about 600.5828133274.

Adding to 216630050 its reverse (50036612), we get a palindrome (266666662).

The spelling of 216630050 in words is "two hundred sixteen million, six hundred thirty thousand, fifty".

Divisors: 1 2 5 7 10 13 14 25 26 35 47 50 65 70 91 94 130 175 182 235 325 329 350 455 470 611 650 658 910 1013 1175 1222 1645 2026 2275 2350 3055 3290 4277 4550 5065 6110 7091 8225 8554 10130 13169 14182 15275 16450 21385 25325 26338 30550 35455 42770 47611 50650 65845 70910 92183 95222 106925 131690 177275 184366 213850 238055 329225 333277 354550 460915 476110 618943 658450 666554 921830 1190275 1237886 1666385 2304575 2380550 3094715 3332770 4332601 4609150 6189430 8331925 8665202 15473575 16663850 21663005 30947150 43326010 108315025 216630050