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1355306345 = 51482118289
BaseRepresentation
bin101000011001000…
…0101010101101001
310111110020200210022
41100302011111221
510233424300340
6342252530225
745404625311
oct12062052551
93443220708
101355306345
11636042798
12319a80975
13187a30723
14cbdda441
157deb73b5
hex50c85569

1355306345 has 8 divisors (see below), whose sum is σ = 1626566280. Its totient is φ = 1084112640.

The previous prime is 1355306333. The next prime is 1355306437. The reversal of 1355306345 is 5436035531.

It can be written as a sum of positive squares in 4 ways, for example, as 463627024 + 891679321 = 21532^2 + 29861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1355306345 - 222 = 1351112041 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 64961 + ... + 83249.

It is an arithmetic number, because the mean of its divisors is an integer number (203320785).

Almost surely, 21355306345 is an apocalyptic number.

It is an amenable number.

1355306345 is a deficient number, since it is larger than the sum of its proper divisors (271259935).

1355306345 is a wasteful number, since it uses less digits than its factorization.

1355306345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33115.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 1355306345 is about 36814.4855321924. The cubic root of 1355306345 is about 1106.6556114422.

The spelling of 1355306345 in words is "one billion, three hundred fifty-five million, three hundred six thousand, three hundred forty-five".

Divisors: 1 5 14821 18289 74105 91445 271061269 1355306345