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82001376 = 2533107887
BaseRepresentation
bin1001110001100…
…11110111100000
312201022002202000
410320303313200
5131443021001
612045324000
72014000032
oct470636740
9181262660
1082001376
1142318936
1223566600
1313cb1332
14ac67c52
1572eba86
hex4e33de0

82001376 has 96 divisors (see below), whose sum is σ = 241678080. Its totient is φ = 27047808.

The previous prime is 82001363. The next prime is 82001377. The reversal of 82001376 is 67310028.

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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82001377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92005 + ... + 92891.

It is an arithmetic number, because the mean of its divisors is an integer number (2517480).

Almost surely, 282001376 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 82001376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120839040).

82001376 is an abundant number, since it is smaller than the sum of its proper divisors (159676704).

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

82001376 is a wasteful number, since it uses less digits than its factorization.

82001376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 82001376 is about 9055.4611147086. The cubic root of 82001376 is about 434.4505786472.

The spelling of 82001376 in words is "eighty-two million, one thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 107 108 144 214 216 288 321 428 432 642 856 864 887 963 1284 1712 1774 1926 2568 2661 2889 3424 3548 3852 5136 5322 5778 7096 7704 7983 10272 10644 11556 14192 15408 15966 21288 23112 23949 28384 30816 31932 42576 46224 47898 63864 85152 92448 94909 95796 127728 189818 191592 255456 284727 379636 383184 569454 759272 766368 854181 1138908 1518544 1708362 2277816 2562543 3037088 3416724 4555632 5125086 6833448 9111264 10250172 13666896 20500344 27333792 41000688 82001376