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82388272 = 245149267
BaseRepresentation
bin1001110100100…
…10010100110000
312202000202110111
410322102110300
5132042411042
612101511104
72020201021
oct472222460
9182022414
1082388272
114256258a
1223712494
13140b8475
14ad28c48
157376517
hex4e92530

82388272 has 10 divisors (see below), whose sum is σ = 159627308. Its totient is φ = 41194128.

The previous prime is 82388269. The next prime is 82388287. The reversal of 82388272 is 27288328.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2574618 + ... + 2574649.

Almost surely, 282388272 is an apocalyptic number.

It is an amenable number.

82388272 is a deficient number, since it is larger than the sum of its proper divisors (77239036).

82388272 is a wasteful number, since it uses less digits than its factorization.

82388272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149275 (or 5149269 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 82388272 is about 9076.7985545566. The cubic root of 82388272 is about 435.1327766609.

The spelling of 82388272 in words is "eighty-two million, three hundred eighty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 5149267 10298534 20597068 41194136 82388272