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82741740 = 22351379029
BaseRepresentation
bin1001110111010…
…00100111101100
312202200201022220
410323220213230
5132140213430
612113235340
72023202364
oct473504754
9182621286
1082741740
1142784104
1223862b50
13141b0313
14adbb9a4
1573e6110
hex4ee89ec

82741740 has 24 divisors (see below), whose sum is σ = 231677040. Its totient is φ = 22064448.

The previous prime is 82741739. The next prime is 82741783. The reversal of 82741740 is 4714728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689455 + ... + 689574.

It is an arithmetic number, because the mean of its divisors is an integer number (9653210).

Almost surely, 282741740 is an apocalyptic number.

It is an amenable number.

82741740 is an abundant number, since it is smaller than the sum of its proper divisors (148935300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82741740 is a wasteful number, since it uses less digits than its factorization.

82741740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379041 (or 1379039 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 82741740 is about 9096.2486773395. The cubic root of 82741740 is about 435.7541680134.

The spelling of 82741740 in words is "eighty-two million, seven hundred forty-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1379029 2758058 4137087 5516116 6895145 8274174 13790290 16548348 20685435 27580580 41370870 82741740