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82875648 = 28331592
BaseRepresentation
bin1001111000010…
…01010100000000
312202221112000110
410330021110000
5132204010043
612120151320
72024300652
oct474112400
9182845013
1082875648
1142865779
1223908540
131422925b
14b0146d2
157420b33
hex4f09500

82875648 has 108 divisors (see below), whose sum is σ = 231609728. Its totient is φ = 26280960.

The previous prime is 82875641. The next prime is 82875691. The reversal of 82875648 is 84657828.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (860160) is a multiple of the sum of its prime factors (168).

It is a junction number, because it is equal to n+sod(n) for n = 82875597 and 82875606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82875641) 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, 1404643 + ... + 1404701.

Almost surely, 282875648 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 82875648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115804864).

82875648 is an abundant number, since it is smaller than the sum of its proper divisors (148734080).

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

82875648 is an equidigital number, since it uses as much as digits as its factorization.

82875648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 95 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 82875648 is about 9103.6063183773. The cubic root of 82875648 is about 435.9891140003.

The spelling of 82875648 in words is "eighty-two million, eight hundred seventy-five thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 59 62 64 93 96 118 124 128 177 186 192 236 248 256 354 372 384 472 496 708 744 768 944 992 1416 1488 1829 1888 1984 2832 2976 3481 3658 3776 3968 5487 5664 5952 6962 7316 7552 7936 10443 10974 11328 11904 13924 14632 15104 20886 21948 22656 23808 27848 29264 41772 43896 45312 55696 58528 83544 87792 107911 111392 117056 167088 175584 215822 222784 234112 323733 334176 351168 431644 445568 468224 647466 668352 702336 863288 891136 1294932 1336704 1404672 1726576 2589864 2673408 3453152 5179728 6906304 10359456 13812608 20718912 27625216 41437824 82875648