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245224064 = 271915813
BaseRepresentation
bin11101001110111…
…01001010000000
3122002102200011202
432213131022000
51000234132224
640200000332
76035240651
oct1647351200
9562380152
10245224064
11116471518
126a1600a8
133ba5c8c7
14247d5528
15167ddeae
hexe9dd280

245224064 has 16 divisors (see below), whose sum is σ = 488532570. Its totient is φ = 122611968.

The previous prime is 245224037. The next prime is 245224073. The reversal of 245224064 is 460422542.

It can be written as a sum of positive squares in only one way, i.e., 196224064 + 49000000 = 14008^2 + 7000^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 957779 + ... + 958034.

Almost surely, 2245224064 is an apocalyptic number.

It is an amenable number.

245224064 is a deficient number, since it is larger than the sum of its proper divisors (243308506).

245224064 is an equidigital number, since it uses as much as digits as its factorization.

245224064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915827 (or 1915815 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 245224064 is about 15659.6316687207. The cubic root of 245224064 is about 625.9231703524.

The spelling of 245224064 in words is "two hundred forty-five million, two hundred twenty-four thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 128 1915813 3831626 7663252 15326504 30653008 61306016 122612032 245224064