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82716999 = 327572333
BaseRepresentation
bin1001110111000…
…10100101000111
312202122110101120
410323202211013
5132133420444
612112525023
72023040301
oct473424507
9182573346
1082716999
1142767562
1223850773
13141a1c91
14adb2971
1573ddb19
hex4ee2947

82716999 has 4 divisors (see below), whose sum is σ = 110289336. Its totient is φ = 55144664.

The previous prime is 82716979. The next prime is 82717001. The reversal of 82716999 is 99961728.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82716999 - 213 = 82708807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82716929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13786164 + ... + 13786169.

It is an arithmetic number, because the mean of its divisors is an integer number (27572334).

Almost surely, 282716999 is an apocalyptic number.

82716999 is a deficient number, since it is larger than the sum of its proper divisors (27572337).

82716999 is a wasteful number, since it uses less digits than its factorization.

82716999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27572336.

The product of its digits is 489888, while the sum is 51.

The square root of 82716999 is about 9094.8886194389. Note that the first 3 decimals coincide. The cubic root of 82716999 is about 435.7107313771.

The spelling of 82716999 in words is "eighty-two million, seven hundred sixteen thousand, nine hundred ninety-nine".

Divisors: 1 3 27572333 82716999