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16810680 = 2335314519
BaseRepresentation
bin100000000100…
…0001010111000
31011122001220210
41000020022320
513300420210
61400151120
7262613505
oct100101270
934561823
1016810680
119542127
1257684a0
133637863
1423384ac
151720e20
hex10082b8

16810680 has 64 divisors (see below), whose sum is σ = 52070400. Its totient is φ = 4337280.

The previous prime is 16810669. The next prime is 16810709. The reversal of 16810680 is 8601861.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1461 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (813600).

Almost surely, 216810680 is an apocalyptic number.

16810680 is a gapful number since it is divisible by the number (10) 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 16810680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26035200).

16810680 is an abundant number, since it is smaller than the sum of its proper divisors (35259720).

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

16810680 is a wasteful number, since it uses less digits than its factorization.

16810680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 16810680 is about 4100.0829259906. The cubic root of 16810680 is about 256.1700936656.

The spelling of 16810680 in words is "sixteen million, eight hundred ten thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 4519 9038 13557 18076 22595 27114 36152 45190 54228 67785 90380 108456 135570 140089 180760 271140 280178 420267 542280 560356 700445 840534 1120712 1400890 1681068 2101335 2801780 3362136 4202670 5603560 8405340 16810680