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84058880 = 285173863
BaseRepresentation
bin1010000001010…
…10001100000000
312212011122002212
411000222030000
5133004341010
612201401252
72040326423
oct500521400
9185148085
1084058880
11434a3754
1224199228
13145519a9
14b2419ba
1575a6505
hex502a300

84058880 has 72 divisors (see below), whose sum is σ = 213246432. Its totient is φ = 31637504.

The previous prime is 84058867. The next prime is 84058903. The reversal of 84058880 is 8885048.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19829 + ... + 23691.

It is an arithmetic number, because the mean of its divisors is an integer number (2961756).

Almost surely, 284058880 is an apocalyptic number.

84058880 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 84058880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106623216).

84058880 is an abundant number, since it is smaller than the sum of its proper divisors (129187552).

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

84058880 is a wasteful number, since it uses less digits than its factorization.

84058880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 41.

The square root of 84058880 is about 9168.3629945591. The cubic root of 84058880 is about 438.0542179014.

The spelling of 84058880 in words is "eighty-four million, fifty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 544 640 680 1088 1280 1360 2176 2720 3863 4352 5440 7726 10880 15452 19315 21760 30904 38630 61808 65671 77260 123616 131342 154520 247232 262684 309040 328355 494464 525368 618080 656710 988928 1050736 1236160 1313420 2101472 2472320 2626840 4202944 4944640 5253680 8405888 10507360 16811776 21014720 42029440 84058880