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2216499744 = 25326985831
BaseRepresentation
bin1000010000011101…
…0001101000100000
312201110201212001010
42010013101220200
514014410442434
61003535140520
7105632636244
oct20407215040
95643655033
102216499744
11a3817a078
1251a374740
1329428a814
14170534424
15ce8ca9e9
hex841d1a20

2216499744 has 48 divisors (see below), whose sum is σ = 5840009280. Its totient is φ = 736078080.

The previous prime is 2216499707. The next prime is 2216499749. The reversal of 2216499744 is 4479946122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×22164997442 = 9825742230304131072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2216499693 and 2216499702.

It is not an unprimeable number, because it can be changed into a prime (2216499749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17092 + ... + 68739.

It is an arithmetic number, because the mean of its divisors is an integer number (121666860).

Almost surely, 22216499744 is an apocalyptic number.

2216499744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2216499744 is an abundant number, since it is smaller than the sum of its proper divisors (3623509536).

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

2216499744 is a wasteful number, since it uses less digits than its factorization.

2216499744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86113 (or 86105 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 2216499744 is about 47079.7169065405. The cubic root of 2216499744 is about 1303.8347802766.

The spelling of 2216499744 in words is "two billion, two hundred sixteen million, four hundred ninety-nine thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 269 538 807 1076 1614 2152 3228 4304 6456 8608 12912 25824 85831 171662 257493 343324 514986 686648 1029972 1373296 2059944 2746592 4119888 8239776 23088539 46177078 69265617 92354156 138531234 184708312 277062468 369416624 554124936 738833248 1108249872 2216499744