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82749241 is a prime number
BaseRepresentation
bin1001110111010…
…10011100111001
312202201002121201
410323222130321
5132140433431
612113334201
72023233301
oct473523471
9182632551
1082749241
1142789803
1223867361
13141b3863
14adc0601
1573e8461
hex4eea739

82749241 has 2 divisors, whose sum is σ = 82749242. Its totient is φ = 82749240.

The previous prime is 82749229. The next prime is 82749253. The reversal of 82749241 is 14294728.

It is a balanced prime because it is at equal distance from previous prime (82749229) and next prime (82749253).

It can be written as a sum of positive squares in only one way, i.e., 57699216 + 25050025 = 7596^2 + 5005^2 .

It is a cyclic number.

It is not a de Polignac number, because 82749241 - 27 = 82749113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82749241.

It is not a weakly prime, because it can be changed into another prime (82744241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41374620 + 41374621.

It is an arithmetic number, because the mean of its divisors is an integer number (41374621).

Almost surely, 282749241 is an apocalyptic number.

It is an amenable number.

82749241 is a deficient number, since it is larger than the sum of its proper divisors (1).

82749241 is an equidigital number, since it uses as much as digits as its factorization.

82749241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 82749241 is about 9096.6609808215. The cubic root of 82749241 is about 435.7673354637.

The spelling of 82749241 in words is "eighty-two million, seven hundred forty-nine thousand, two hundred forty-one".