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16808628 = 2235923741
BaseRepresentation
bin100000000011…
…1101010110100
31011121222002210
41000013222310
513300334003
61400133420
7262604514
oct100075264
934558083
1016808628
119540631
125767270
133636945
142337844
151720503
hex1007ab4

16808628 has 24 divisors (see below), whose sum is σ = 39886560. Its totient is φ = 5507680.

The previous prime is 16808621. The next prime is 16808639. The reversal of 16808628 is 82680861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16808621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11163 + ... + 12578.

It is an arithmetic number, because the mean of its divisors is an integer number (1661940).

Almost surely, 216808628 is an apocalyptic number.

It is an amenable number.

16808628 is an abundant number, since it is smaller than the sum of its proper divisors (23077932).

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

16808628 is a wasteful number, since it uses less digits than its factorization.

16808628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23807 (or 23805 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 16808628 is about 4099.8326795127. The cubic root of 16808628 is about 256.1596700853.

The spelling of 16808628 in words is "sixteen million, eight hundred eight thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 23741 47482 71223 94964 142446 284892 1400719 2801438 4202157 5602876 8404314 16808628