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82286709 = 3231192561
BaseRepresentation
bin1001110011110…
…01100001110101
312201211121010220
410321321201311
5132031133314
612055404553
72016265641
oct471714165
9181747126
1082286709
11424a324a
1223683759
131408117b
14acddc21
1573563a9
hex4e79875

82286709 has 8 divisors (see below), whose sum is σ = 114485952. Its totient is φ = 52472640.

The previous prime is 82286693. The next prime is 82286719. The reversal of 82286709 is 90768228.

It is a happy number.

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

It is not a de Polignac number, because 82286709 - 24 = 82286693 is a prime.

It is a super-2 number, since 2×822867092 = 13542204956101362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82286719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596212 + ... + 596349.

It is an arithmetic number, because the mean of its divisors is an integer number (14310744).

Almost surely, 282286709 is an apocalyptic number.

It is an amenable number.

82286709 is a deficient number, since it is larger than the sum of its proper divisors (32199243).

82286709 is a wasteful number, since it uses less digits than its factorization.

82286709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192587.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 82286709 is about 9071.2021805271. The cubic root of 82286709 is about 434.9539018398.

The spelling of 82286709 in words is "eighty-two million, two hundred eighty-six thousand, seven hundred nine".

Divisors: 1 3 23 69 1192561 3577683 27428903 82286709