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82430312 = 2343239623
BaseRepresentation
bin1001110100111…
…00100101101000
312202002220010112
410322130211220
5132100232222
612102433452
72020434416
oct472344550
9182086115
1082430312
1142591128
1223732888
1314101643
14ad3a2b6
157383be2
hex4e9c968

82430312 has 16 divisors (see below), whose sum is σ = 158151840. Its totient is φ = 40256496.

The previous prime is 82430311. The next prime is 82430323. The reversal of 82430312 is 21303428.

It is not an unprimeable number, because it can be changed into a prime (82430311) 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 3 ways as a sum of consecutive naturals, for example, 119468 + ... + 120155.

It is an arithmetic number, because the mean of its divisors is an integer number (9884490).

Almost surely, 282430312 is an apocalyptic number.

It is an amenable number.

82430312 is a deficient number, since it is larger than the sum of its proper divisors (75721528).

82430312 is a wasteful number, since it uses less digits than its factorization.

82430312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239672 (or 239668 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 82430312 is about 9079.1140536949. The cubic root of 82430312 is about 435.2067753460.

The spelling of 82430312 in words is "eighty-two million, four hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 43 86 172 344 239623 479246 958492 1916984 10303789 20607578 41215156 82430312