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82872727 = 719316131
BaseRepresentation
bin1001111000010…
…00100110010111
312202221101000021
410330020212113
5132203411402
612120130011
72024256310
oct474104627
9182841007
1082872727
1142863563
1223906907
1314227b22
14b013607
15741ed37
hex4f08997

82872727 has 8 divisors (see below), whose sum is σ = 94776192. Its totient is φ = 70985400.

The previous prime is 82872721. The next prime is 82872733. The reversal of 82872727 is 72727828.

It is an interprime number because it is at equal distance from previous prime (82872721) and next prime (82872733).

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

It is a cyclic number.

It is not a de Polignac number, because 82872727 - 27 = 82872599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82872721) 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 7 ways as a sum of consecutive naturals, for example, 10452 + ... + 16582.

It is an arithmetic number, because the mean of its divisors is an integer number (11847024).

Almost surely, 282872727 is an apocalyptic number.

82872727 is a deficient number, since it is larger than the sum of its proper divisors (11903465).

82872727 is a wasteful number, since it uses less digits than its factorization.

82872727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069.

The product of its digits is 175616, while the sum is 43.

The square root of 82872727 is about 9103.4458860368. The cubic root of 82872727 is about 435.9839917109.

The spelling of 82872727 in words is "eighty-two million, eight hundred seventy-two thousand, seven hundred twenty-seven".

Divisors: 1 7 1931 6131 13517 42917 11838961 82872727