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82486272 = 2103112441
BaseRepresentation
bin1001110101010…
…10010000000000
312202012201220010
410322222100000
5132104030042
612103544520
72021056521
oct472522000
9182181803
1082486272
114261a180
122375b140
1314120c5b
14ad52848
15739559c
hex4eaa400

82486272 has 88 divisors (see below), whose sum is σ = 239941152. Its totient is φ = 24985600.

The previous prime is 82486249. The next prime is 82486273. The reversal of 82486272 is 27268428.

It is a tau number, because it is divible by the number of its divisors (88).

It is a cake number, because a cake can be divided into 82486272 parts by 791 planar cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 82486272.

It is not an unprimeable number, because it can be changed into a prime (82486273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32572 + ... + 35012.

It is an arithmetic number, because the mean of its divisors is an integer number (2726604).

Almost surely, 282486272 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 82486272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119970576).

82486272 is an abundant number, since it is smaller than the sum of its proper divisors (157454880).

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

82486272 is a wasteful number, since it uses less digits than its factorization.

82486272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2457 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 82486272 is about 9082.1953293243. The cubic root of 82486272 is about 435.3052369494.

The spelling of 82486272 in words is "eighty-two million, four hundred eighty-six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1024 1056 1408 1536 2112 2441 2816 3072 4224 4882 5632 7323 8448 9764 11264 14646 16896 19528 26851 29292 33792 39056 53702 58584 78112 80553 107404 117168 156224 161106 214808 234336 312448 322212 429616 468672 624896 644424 859232 937344 1249792 1288848 1718464 1874688 2499584 2577696 3436928 3749376 5155392 6873856 7498752 10310784 13747712 20621568 27495424 41243136 82486272