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2223042745 = 57117018237
BaseRepresentation
bin1000010010000000…
…1111000010111001
312201221001021100111
42010200033002321
514023044331440
61004331304321
7106042360120
oct20440170271
95657037314
102223042745
11a40938a10
125205ab0a1
1329573ba11
14171358ab7
15d026e4ea
hex8480f0b9

2223042745 has 32 divisors (see below), whose sum is σ = 3331051776. Its totient is φ = 1383648000.

The previous prime is 2223042733. The next prime is 2223042751. The reversal of 2223042745 is 5472403222.

It is not a de Polignac number, because 2223042745 - 29 = 2223042233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265767 + ... + 274003.

It is an arithmetic number, because the mean of its divisors is an integer number (104095368).

Almost surely, 22223042745 is an apocalyptic number.

It is an amenable number.

2223042745 is a deficient number, since it is larger than the sum of its proper divisors (1108009031).

2223042745 is a wasteful number, since it uses less digits than its factorization.

2223042745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 2223042745 is about 47149.1542341960. The cubic root of 2223042745 is about 1305.1164725294.

Adding to 2223042745 its reverse (5472403222), we get a palindrome (7695445967).

The spelling of 2223042745 in words is "two billion, two hundred twenty-three million, forty-two thousand, seven hundred forty-five".

Divisors: 1 5 7 11 35 55 77 385 701 3505 4907 7711 8237 24535 38555 41185 53977 57659 90607 269885 288295 453035 634249 3171245 5774137 28870685 40418959 63515507 202094795 317577535 444608549 2223042745