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82203072 = 2637311973
BaseRepresentation
bin1001110011001…
…01000111000000
312201200100102020
410321211013000
5132020444242
612053521440
72015500050
oct471450700
9181610366
1082203072
1142446426
1223643280
1314052093
14acbb560
15733b6ec
hex4e651c0

82203072 has 112 divisors (see below), whose sum is σ = 256714752. Its totient is φ = 22717440.

The previous prime is 82203061. The next prime is 82203083. The reversal of 82203072 is 27030228.

It is an interprime number because it is at equal distance from previous prime (82203061) and next prime (82203083).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40678 + ... + 42650.

It is an arithmetic number, because the mean of its divisors is an integer number (2292096).

Almost surely, 282203072 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 82203072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128357376).

82203072 is an abundant number, since it is smaller than the sum of its proper divisors (174511680).

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

82203072 is a wasteful number, since it uses less digits than its factorization.

82203072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 82203072 is about 9066.5909800762. The cubic root of 82203072 is about 434.8064881122.

The spelling of 82203072 in words is "eighty-two million, two hundred three thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 64 84 93 96 112 124 168 186 192 217 224 248 336 372 434 448 496 651 672 744 868 992 1302 1344 1488 1736 1973 1984 2604 2976 3472 3946 5208 5919 5952 6944 7892 10416 11838 13811 13888 15784 20832 23676 27622 31568 41433 41664 47352 55244 61163 63136 82866 94704 110488 122326 126272 165732 183489 189408 220976 244652 331464 366978 378816 428141 441952 489304 662928 733956 856282 883904 978608 1284423 1325856 1467912 1712564 1957216 2568846 2651712 2935824 3425128 3914432 5137692 5871648 6850256 10275384 11743296 13700512 20550768 27401024 41101536 82203072