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220246065 = 32513383983
BaseRepresentation
bin11010010000010…
…11000000110001
3120100102122210200
431020023000301
5422340333230
633504345413
75313026544
oct1510130061
9510378720
10220246065
11103361146
1261915269
1336825720
142137285b
1514508160
hexd20b031

220246065 has 48 divisors (see below), whose sum is σ = 412618752. Its totient is φ = 108035712.

The previous prime is 220246031. The next prime is 220246079. The reversal of 220246065 is 560642022.

It is not a de Polignac number, because 220246065 - 26 = 220246001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223564 + ... + 224546.

It is an arithmetic number, because the mean of its divisors is an integer number (8596224).

Almost surely, 2220246065 is an apocalyptic number.

It is an amenable number.

220246065 is a deficient number, since it is larger than the sum of its proper divisors (192372687).

220246065 is a wasteful number, since it uses less digits than its factorization.

220246065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 220246065 is about 14840.6895055452. The cubic root of 220246065 is about 603.9060576744.

Adding to 220246065 its reverse (560642022), we get a palindrome (780888087).

The spelling of 220246065 in words is "two hundred twenty million, two hundred forty-six thousand, sixty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 383 585 983 1149 1915 2949 3447 4915 4979 5745 8847 12779 14745 14937 17235 24895 38337 44235 44811 63895 74685 115011 191685 224055 376489 575055 1129467 1882445 3388401 4894357 5647335 14683071 16942005 24471785 44049213 73415355 220246065