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82466688 = 2731989127
BaseRepresentation
bin1001110101001…
…01011110000000
312202011202000210
410322211132000
5132102413223
612103314120
72020645443
oct472453600
9182152023
1082466688
1142606497
122374b940
1314115075
14ad4965a
15738e893
hex4ea5780

82466688 has 128 divisors (see below), whose sum is σ = 235008000. Its totient is φ = 25546752.

The previous prime is 82466663. The next prime is 82466701. The reversal of 82466688 is 88666428.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

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, 649281 + ... + 649407.

It is an arithmetic number, because the mean of its divisors is an integer number (1836000).

Almost surely, 282466688 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 82466688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117504000).

82466688 is an abundant number, since it is smaller than the sum of its proper divisors (152541312).

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

82466688 is a wasteful number, since it uses less digits than its factorization.

82466688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 240 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 82466688 is about 9081.1171118976. The cubic root of 82466688 is about 435.2707839739.

The spelling of 82466688 in words is "eighty-two million, four hundred sixty-six thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 89 96 114 127 128 152 178 192 228 254 267 304 356 381 384 456 508 534 608 712 762 912 1016 1068 1216 1424 1524 1691 1824 2032 2136 2413 2432 2848 3048 3382 3648 4064 4272 4826 5073 5696 6096 6764 7239 7296 8128 8544 9652 10146 11303 11392 12192 13528 14478 16256 17088 19304 20292 22606 24384 27056 28956 33909 34176 38608 40584 45212 48768 54112 57912 67818 77216 81168 90424 108224 115824 135636 154432 162336 180848 214757 216448 231648 271272 308864 324672 361696 429514 463296 542544 644271 649344 723392 859028 926592 1085088 1288542 1446784 1718056 2170176 2577084 3436112 4340352 5154168 6872224 10308336 13744448 20616672 27488896 41233344 82466688