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8542825330 = 2513181363061
BaseRepresentation
bin1111111010011000…
…10010101101110010
3211001100211111021011
413331030102231302
5114443430402310
63531410221134
7421461550204
oct77514225562
924040744234
108542825330
113694225126
1217a4b847aa
13a61b40a40
145b080a774
1534eec278a
hex1fd312b72

8542825330 has 32 divisors (see below), whose sum is σ = 16651475568. Its totient is φ = 3136838400.

The previous prime is 8542825309. The next prime is 8542825331. The reversal of 8542825330 is 335282458.

It can be written as a sum of positive squares in 8 ways, for example, as 12271009 + 8530554321 = 3503^2 + 92361^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8542825331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158001 + ... + 205060.

Almost surely, 28542825330 is an apocalyptic number.

8542825330 is a deficient number, since it is larger than the sum of its proper divisors (8108650238).

8542825330 is a wasteful number, since it uses less digits than its factorization.

8542825330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363262.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 8542825330 is about 92427.4057301188. The cubic root of 8542825330 is about 2044.2492271383.

The spelling of 8542825330 in words is "eight billion, five hundred forty-two million, eight hundred twenty-five thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 181 362 905 1810 2353 4706 11765 23530 363061 726122 1815305 3630610 4719793 9439586 23598965 47197930 65714041 131428082 328570205 657140410 854282533 1708565066 4271412665 8542825330