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82412928 = 2732135503
BaseRepresentation
bin1001110100110…
…00010110000000
312202002000021200
410322120112000
5132044203203
612102221200
72020332633
oct472302600
9182060250
1082412928
114257a064
1223724800
13140c6760
14ad33c1a
15737d9a3
hex4e98580

82412928 has 96 divisors (see below), whose sum is σ = 255440640. Its totient is φ = 25353216.

The previous prime is 82412927. The next prime is 82412929. The reversal of 82412928 is 82921428.

It is an interprime number because it is at equal distance from previous prime (82412927) and next prime (82412929).

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

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

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

It is a junction number, because it is equal to n+sod(n) for n = 82412892 and 82412901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82412921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12225 + ... + 17727.

It is an arithmetic number, because the mean of its divisors is an integer number (2660840).

Almost surely, 282412928 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 82412928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127720320).

82412928 is an abundant number, since it is smaller than the sum of its proper divisors (173027712).

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

82412928 is a wasteful number, since it uses less digits than its factorization.

82412928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536 (or 5521 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 82412928 is about 9078.1566410808. The cubic root of 82412928 is about 435.1761791316.

The spelling of 82412928 in words is "eighty-two million, four hundred twelve thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 288 312 384 416 468 576 624 832 936 1152 1248 1664 1872 2496 3744 4992 5503 7488 11006 14976 16509 22012 33018 44024 49527 66036 71539 88048 99054 132072 143078 176096 198108 214617 264144 286156 352192 396216 429234 528288 572312 643851 704384 792432 858468 1056576 1144624 1287702 1584864 1716936 2113152 2289248 2575404 3169728 3433872 4578496 5150808 6339456 6867744 9156992 10301616 13735488 20603232 27470976 41206464 82412928