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2291342816 = 25710229209
BaseRepresentation
bin1000100010010011…
…0001110111100000
312220200120021102202
42020210301313200
514143040432231
61015211232332
7110532043520
oct21044616740
95820507382
102291342816
11a76448854
1253b4486a8
132a6933869
1417a457680
15d62615cb
hex88931de0

2291342816 has 24 divisors (see below), whose sum is σ = 5155521840. Its totient is φ = 982003968.

The previous prime is 2291342803. The next prime is 2291342831. The reversal of 2291342816 is 6182431922.

It is a self number, because there is not a number n which added to its sum of digits gives 2291342816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5114381 + ... + 5114828.

It is an arithmetic number, because the mean of its divisors is an integer number (214813410).

Almost surely, 22291342816 is an apocalyptic number.

It is an amenable number.

2291342816 is an abundant number, since it is smaller than the sum of its proper divisors (2864179024).

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

2291342816 is a wasteful number, since it uses less digits than its factorization.

2291342816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229226 (or 10229218 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 2291342816 is about 47867.9727584112. The cubic root of 2291342816 is about 1318.3478748892.

The spelling of 2291342816 in words is "two billion, two hundred ninety-one million, three hundred forty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 10229209 20458418 40916836 71604463 81833672 143208926 163667344 286417852 327334688 572835704 1145671408 2291342816