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82536811 = 723598689
BaseRepresentation
bin1001110101101…
…10100101101011
312202022022012221
410322312211223
5132112134221
612105014511
72021360050
oct472664553
9182268187
1082536811
1142654145
1223784437
131413ac66
14ad67027
1573a5541
hex4eb696b

82536811 has 16 divisors (see below), whose sum is σ = 100108800. Its totient is φ = 66515328.

The previous prime is 82536791. The next prime is 82536821. The reversal of 82536811 is 11863528.

It is a cyclic number.

It is not a de Polignac number, because 82536811 - 219 = 82012523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82536821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5155 + ... + 13843.

It is an arithmetic number, because the mean of its divisors is an integer number (6256800).

Almost surely, 282536811 is an apocalyptic number.

82536811 is a deficient number, since it is larger than the sum of its proper divisors (17571989).

82536811 is a wasteful number, since it uses less digits than its factorization.

82536811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8778.

The product of its digits is 11520, while the sum is 34.

The square root of 82536811 is about 9084.9772151613. The cubic root of 82536811 is about 435.3941220422.

It can be divided in two parts, 825 and 36811, that added together give a square (37636 = 1942).

The spelling of 82536811 in words is "eighty-two million, five hundred thirty-six thousand, eight hundred eleven".

Divisors: 1 7 23 59 161 413 1357 8689 9499 60823 199847 512651 1398929 3588557 11790973 82536811