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82300841 = 721679609
BaseRepresentation
bin1001110011111…
…00111110101001
312201212022112022
410321330332221
5132032111331
612055554225
72016355100
oct471747651
9181768468
1082300841
1142502927
122368b975
131408772c
14ad05037
15735a67b
hex4e7cfa9

82300841 has 6 divisors (see below), whose sum is σ = 95737770. Its totient is φ = 70543536.

The previous prime is 82300793. The next prime is 82300843. The reversal of 82300841 is 14800328.

It can be written as a sum of positive squares in only one way, i.e., 80281600 + 2019241 = 8960^2 + 1421^2 .

It is not a de Polignac number, because 82300841 - 222 = 78106537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82300841.

It is not an unprimeable number, because it can be changed into a prime (82300843) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 839756 + ... + 839853.

It is an arithmetic number, because the mean of its divisors is an integer number (15956295).

Almost surely, 282300841 is an apocalyptic number.

It is an amenable number.

82300841 is a deficient number, since it is larger than the sum of its proper divisors (13436929).

82300841 is a wasteful number, since it uses less digits than its factorization.

82300841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679623 (or 1679616 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 82300841 is about 9071.9810956593. The cubic root of 82300841 is about 434.9788002176.

The spelling of 82300841 in words is "eighty-two million, three hundred thousand, eight hundred forty-one".

Divisors: 1 7 49 1679609 11757263 82300841