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82408752 = 243463587
BaseRepresentation
bin1001110100101…
…11010100110000
312202001210120000
410322113110300
5132044040002
612102150000
72020314516
oct472272460
9182053500
1082408752
1142576a08
1223722300
13140c489a
14ad324b6
15737c61c
hex4e97530

82408752 has 50 divisors (see below), whose sum is σ = 238518588. Its totient is φ = 27469152.

The previous prime is 82408721. The next prime is 82408759. The reversal of 82408752 is 25780428.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (82408759) 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 9 ways as a sum of consecutive naturals, for example, 30498 + ... + 33089.

Almost surely, 282408752 is an apocalyptic number.

It is an amenable number.

82408752 is an abundant number, since it is smaller than the sum of its proper divisors (156109836).

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

82408752 is a wasteful number, since it uses less digits than its factorization.

82408752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63607 (or 63592 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 82408752 is about 9077.9266355264. The cubic root of 82408752 is about 435.1688286407.

The spelling of 82408752 in words is "eighty-two million, four hundred eight thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 63587 127174 190761 254348 381522 508696 572283 763044 1017392 1144566 1526088 1716849 2289132 3052176 3433698 4578264 5150547 6867396 9156528 10301094 13734792 20602188 27469584 41204376 82408752