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16496680 = 2353171301
BaseRepresentation
bin111110111011…
…100000101000
31011001010012011
4332323200220
513210343210
61345325304
7260135164
oct76734050
934033164
1016496680
119348222
125636834
133557965
142295ca4
1516acd8a
hexfbb828

16496680 has 32 divisors (see below), whose sum is σ = 37263240. Its totient is φ = 6572800.

The previous prime is 16496663. The next prime is 16496687. The reversal of 16496680 is 8669461.

It can be written as a sum of positive squares in 4 ways, for example, as 3261636 + 13235044 = 1806^2 + 3638^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16496687) 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 7 ways as a sum of consecutive naturals, for example, 12030 + ... + 13330.

Almost surely, 216496680 is an apocalyptic number.

16496680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16496680 is an abundant number, since it is smaller than the sum of its proper divisors (20766560).

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

16496680 is a wasteful number, since it uses less digits than its factorization.

16496680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 16496680 is about 4061.6105180088. The cubic root of 16496680 is about 254.5650923316.

The spelling of 16496680 in words is "sixteen million, four hundred ninety-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 317 634 1268 1301 1585 2536 2602 3170 5204 6340 6505 10408 12680 13010 26020 52040 412417 824834 1649668 2062085 3299336 4124170 8248340 16496680