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82214160 = 2435726991
BaseRepresentation
bin1001110011001…
…11110100010000
312201200220121220
410321213310100
5132021323120
612054045040
72015544300
oct471476420
9181626556
1082214160
1142453796
1223649780
1314057142
14acc1600
15733eb40
hex4e67d10

82214160 has 120 divisors (see below), whose sum is σ = 296516736. Its totient is φ = 18789120.

The previous prime is 82214141. The next prime is 82214161. The reversal of 82214160 is 6141228.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a self number, because there is not a number n which added to its sum of digits gives 82214160.

It is not an unprimeable number, because it can be changed into a prime (82214161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8265 + ... + 15255.

Almost surely, 282214160 is an apocalyptic number.

82214160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82214160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148258368).

82214160 is an abundant number, since it is smaller than the sum of its proper divisors (214302576).

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

82214160 is a wasteful number, since it uses less digits than its factorization.

82214160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021 (or 7008 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 82214160 is about 9067.2024351505. The cubic root of 82214160 is about 434.8260369258.

Adding to 82214160 its reverse (6141228), we get a palindrome (88355388).

The spelling of 82214160 in words is "eighty-two million, two hundred fourteen thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 56 60 70 80 84 98 105 112 120 140 147 168 196 210 240 245 280 294 336 392 420 490 560 588 735 784 840 980 1176 1470 1680 1960 2352 2940 3920 5880 6991 11760 13982 20973 27964 34955 41946 48937 55928 69910 83892 97874 104865 111856 139820 146811 167784 195748 209730 244685 279640 293622 335568 342559 391496 419460 489370 559280 587244 685118 734055 782992 838920 978740 1027677 1174488 1370236 1468110 1677840 1712795 1957480 2055354 2348976 2740472 2936220 3425590 3914960 4110708 5138385 5480944 5872440 6851180 8221416 10276770 11744880 13702360 16442832 20553540 27404720 41107080 82214160