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71882208 = 2533271307
BaseRepresentation
bin1000100100011…
…01010111100000
312000020222212000
410102031113200
5121400212313
611044404000
71531663056
oct422152740
9160228760
1071882208
1137637192
12200a6600
1311b7a468
1497921d6
15649d673
hex448d5e0

71882208 has 96 divisors (see below), whose sum is σ = 211115520. Its totient is φ = 23794560.

The previous prime is 71882207. The next prime is 71882243. The reversal of 71882208 is 80228817.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (71882207) by changing a digit.

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, 233991 + ... + 234297.

It is an arithmetic number, because the mean of its divisors is an integer number (2199120).

Almost surely, 271882208 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 71882208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105557760).

71882208 is an abundant number, since it is smaller than the sum of its proper divisors (139233312).

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

71882208 is a wasteful number, since it uses less digits than its factorization.

71882208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 71882208 is about 8478.3375728972. The cubic root of 71882208 is about 415.7897729703.

The spelling of 71882208 in words is "seventy-one million, eight hundred eighty-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 271 288 307 432 542 614 813 864 921 1084 1228 1626 1842 2168 2439 2456 2763 3252 3684 4336 4878 4912 5526 6504 7317 7368 8289 8672 9756 9824 11052 13008 14634 14736 16578 19512 22104 26016 29268 29472 33156 39024 44208 58536 66312 78048 83197 88416 117072 132624 166394 234144 249591 265248 332788 499182 665576 748773 998364 1331152 1497546 1996728 2246319 2662304 2995092 3993456 4492638 5990184 7986912 8985276 11980368 17970552 23960736 35941104 71882208