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8054345 = 5131737197
BaseRepresentation
bin11110101110011001001001
3120011012111002
4132232121021
54030214340
6444344345
7125314025
oct36563111
916135432
108054345
114601392
1228450b5
1318900b0
1410d9385
15a91715
hex7ae649

8054345 has 32 divisors (see below), whose sum is σ = 11376288. Its totient is φ = 5419008.

The previous prime is 8054341. The next prime is 8054369. The reversal of 8054345 is 5434508.

It can be written as a sum of positive squares in 16 ways, for example, as 11449 + 8042896 = 107^2 + 2836^2 .

It is a cyclic number.

It is not a de Polignac number, because 8054345 - 22 = 8054341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8054341) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 40787 + ... + 40983.

It is an arithmetic number, because the mean of its divisors is an integer number (355509).

Almost surely, 28054345 is an apocalyptic number.

8054345 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8054345 is a deficient number, since it is larger than the sum of its proper divisors (3321943).

8054345 is a wasteful number, since it uses less digits than its factorization.

8054345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 8054345 is about 2838.0177941655. The cubic root of 8054345 is about 200.4518533738.

The spelling of 8054345 in words is "eight million, fifty-four thousand, three hundred forty-five".

Divisors: 1 5 13 17 37 65 85 185 197 221 481 629 985 1105 2405 2561 3145 3349 7289 8177 12805 16745 36445 40885 43537 94757 123913 217685 473785 619565 1610869 8054345