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82250208 = 2533234139
BaseRepresentation
bin1001110011100…
…00100111100000
312201202202002000
410321300213200
5132024001313
612054524000
72016054345
oct471604740
9181682060
1082250208
1142478887
1223666600
131406a681
14acd07cc
15734a673
hex4e709e0

82250208 has 96 divisors (see below), whose sum is σ = 250387200. Its totient is φ = 26218368.

The previous prime is 82250191. The next prime is 82250227. The reversal of 82250208 is 80205228.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17803 + ... + 21941.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 282250208 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 82250208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125193600).

82250208 is an abundant number, since it is smaller than the sum of its proper divisors (168136992).

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

82250208 is a wasteful number, since it uses less digits than its factorization.

82250208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 82250208 is about 9069.1900410125. The cubic root of 82250208 is about 434.8895795832.

The spelling of 82250208 in words is "eighty-two million, two hundred fifty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 69 72 92 96 108 138 144 184 207 216 276 288 368 414 432 552 621 736 828 864 1104 1242 1656 2208 2484 3312 4139 4968 6624 8278 9936 12417 16556 19872 24834 33112 37251 49668 66224 74502 95197 99336 111753 132448 149004 190394 198672 223506 285591 298008 380788 397344 447012 571182 596016 761576 856773 894024 1142364 1192032 1523152 1713546 1788048 2284728 2570319 3046304 3427092 3576096 4569456 5140638 6854184 9138912 10281276 13708368 20562552 27416736 41125104 82250208