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82537715 = 5134130971
BaseRepresentation
bin1001110101101…
…10110011110011
312202022100110102
410322312303303
5132112201330
612105023015
72021362511
oct472666363
9182270412
1082537715
1142654897
1223784a6b
131413b4b0
14ad674b1
1573a5945
hex4eb6cf3

82537715 has 16 divisors (see below), whose sum is σ = 109269216. Its totient is φ = 59462400.

The previous prime is 82537673. The next prime is 82537739. The reversal of 82537715 is 51773528.

It is a happy number.

It is not a de Polignac number, because 82537715 - 28 = 82537459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12821 + ... + 18150.

It is an arithmetic number, because the mean of its divisors is an integer number (6829326).

Almost surely, 282537715 is an apocalyptic number.

82537715 is a deficient number, since it is larger than the sum of its proper divisors (26731501).

82537715 is a wasteful number, since it uses less digits than its factorization.

82537715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31030.

The product of its digits is 58800, while the sum is 38.

The square root of 82537715 is about 9085.0269674889. The cubic root of 82537715 is about 435.3957116151.

The spelling of 82537715 in words is "eighty-two million, five hundred thirty-seven thousand, seven hundred fifteen".

Divisors: 1 5 13 41 65 205 533 2665 30971 154855 402623 1269811 2013115 6349055 16507543 82537715