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82249264 = 24171272381
BaseRepresentation
bin1001110011100…
…00011000110000
312201202200210001
410321300120300
5132023434024
612054515344
72016051526
oct471603060
9181680701
1082249264
11424780a9
1223665b54
131406a106
14acd0316
15734a244
hex4e70630

82249264 has 40 divisors (see below), whose sum is σ = 170131968. Its totient is φ = 38384640.

The previous prime is 82249259. The next prime is 82249301. The reversal of 82249264 is 46294228.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 33354 + ... + 35734.

Almost surely, 282249264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82249264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85065984).

82249264 is an abundant number, since it is smaller than the sum of its proper divisors (87882704).

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

82249264 is a wasteful number, since it uses less digits than its factorization.

82249264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533 (or 2527 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 82249264 is about 9069.1379965243. The cubic root of 82249264 is about 434.8879158090.

It can be divided in two parts, 822 and 49264, that added together give a triangular number (50086 = T316).

The spelling of 82249264 in words is "eighty-two million, two hundred forty-nine thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 17 34 68 127 136 254 272 508 1016 2032 2159 2381 4318 4762 8636 9524 17272 19048 34544 38096 40477 80954 161908 302387 323816 604774 647632 1209548 2419096 4838192 5140579 10281158 20562316 41124632 82249264