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902027045 = 5180405409
BaseRepresentation
bin110101110000111…
…101011100100101
32022212022201111002
4311300331130211
53321404331140
6225301323045
731232050313
oct6560753445
92285281432
10902027045
114231972a7
12212106485
13114b5621a
1487b270b3
15542cc415
hex35c3d725

902027045 has 4 divisors (see below), whose sum is σ = 1082432460. Its totient is φ = 721621632.

The previous prime is 902027011. The next prime is 902027047. The reversal of 902027045 is 540720209.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 505260484 + 396766561 = 22478^2 + 19919^2 .

It is a cyclic number.

It is not a de Polignac number, because 902027045 - 28 = 902026789 is a prime.

It is a super-2 number, since 2×9020270452 = 1627305579822864050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 902026999 and 902027017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902027047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90202700 + ... + 90202709.

It is an arithmetic number, because the mean of its divisors is an integer number (270608115).

Almost surely, 2902027045 is an apocalyptic number.

It is an amenable number.

902027045 is a deficient number, since it is larger than the sum of its proper divisors (180405415).

902027045 is a wasteful number, since it uses less digits than its factorization.

902027045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180405414.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 902027045 is about 30033.7650819873. The cubic root of 902027045 is about 966.2136894076.

The spelling of 902027045 in words is "nine hundred two million, twenty-seven thousand, forty-five".

Divisors: 1 5 180405409 902027045