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82453147 = 711779021
BaseRepresentation
bin1001110101000…
…10001010011011
312202011001110021
410322202022123
5132102000042
612103131311
72020561120
oct472421233
9182131407
1082453147
11425a72a7
1223743b37
131410bb5a
14ad44747
15738a867
hex4ea229b

82453147 has 4 divisors (see below), whose sum is σ = 94232176. Its totient is φ = 70674120.

The previous prime is 82453123. The next prime is 82453171. The reversal of 82453147 is 74135428.

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

It is an interprime number because it is at equal distance from previous prime (82453123) and next prime (82453171).

It is a cyclic number.

It is not a de Polignac number, because 82453147 - 219 = 81928859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82453117) 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 3 ways as a sum of consecutive naturals, for example, 5889504 + ... + 5889517.

It is an arithmetic number, because the mean of its divisors is an integer number (23558044).

Almost surely, 282453147 is an apocalyptic number.

82453147 is a deficient number, since it is larger than the sum of its proper divisors (11779029).

82453147 is a wasteful number, since it uses less digits than its factorization.

82453147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11779028.

The product of its digits is 26880, while the sum is 34.

The square root of 82453147 is about 9080.3715232363. The cubic root of 82453147 is about 435.2469589020.

The spelling of 82453147 in words is "eighty-two million, four hundred fifty-three thousand, one hundred forty-seven".

Divisors: 1 7 11779021 82453147