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82741305 = 355993493
BaseRepresentation
bin1001110111010…
…00100000111001
312202200200201210
410323220200321
5132140210210
612113233333
72023201203
oct473504071
9182620653
1082741305
1142783849
1223862849
13141b006a
14adbb773
1573e5e20
hex4ee8839

82741305 has 16 divisors (see below), whose sum is σ = 134631360. Its totient is φ = 43380288.

The previous prime is 82741301. The next prime is 82741343. The reversal of 82741305 is 50314728.

It is not a de Polignac number, because 82741305 - 22 = 82741301 is a prime.

It is a super-2 number, since 2×827413052 = 13692247106206050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82741301) 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 15 ways as a sum of consecutive naturals, for example, 45862 + ... + 47631.

It is an arithmetic number, because the mean of its divisors is an integer number (8414460).

Almost surely, 282741305 is an apocalyptic number.

It is an amenable number.

82741305 is a deficient number, since it is larger than the sum of its proper divisors (51890055).

82741305 is a wasteful number, since it uses less digits than its factorization.

82741305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93560.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 82741305 is about 9096.2247663522. The cubic root of 82741305 is about 435.7534043787.

The spelling of 82741305 in words is "eighty-two million, seven hundred forty-one thousand, three hundred five".

Divisors: 1 3 5 15 59 177 295 885 93493 280479 467465 1402395 5516087 16548261 27580435 82741305