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82255000 = 235416451
BaseRepresentation
bin1001110011100…
…01110010011000
312201202222122111
410321301302120
5132024130000
612055002104
72016104332
oct471616230
9181688574
1082255000
1142481443
1223669334
131406c8c9
14acd2452
15734bcba
hex4e71c98

82255000 has 40 divisors (see below), whose sum is σ = 192735180. Its totient is φ = 32900000.

The previous prime is 82254983. The next prime is 82255007. The reversal of 82255000 is 55228.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82255007) 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, 3226 + ... + 13225.

Almost surely, 282255000 is an apocalyptic number.

It is an amenable number.

82255000 is an abundant number, since it is smaller than the sum of its proper divisors (110480180).

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

82255000 is a wasteful number, since it uses less digits than its factorization.

82255000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16477 (or 16458 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 82255000 is about 9069.4542283425. The cubic root of 82255000 is about 434.8980251562.

It can be divided in two parts, 8225 and 5000, that added together give a square (13225 = 1152).

The spelling of 82255000 in words is "eighty-two million, two hundred fifty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 16451 32902 65804 82255 131608 164510 329020 411275 658040 822550 1645100 2056375 3290200 4112750 8225500 10281875 16451000 20563750 41127500 82255000