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16801968 = 2431991759
BaseRepresentation
bin100000000011…
…0000010110000
31011121121222010
41000012002300
513300130333
61400042520
7262546221
oct100060260
934547863
1016801968
119536627
125763440
1336338c1
142335248
15171d563
hex10060b0

16801968 has 40 divisors (see below), whose sum is σ = 43648000. Its totient is φ = 5569344.

The previous prime is 16801963. The next prime is 16801979. The reversal of 16801968 is 86910861.

It is a super-2 number, since 2×168019682 = 564612257346048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16801963) 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, 8673 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (1091200).

Almost surely, 216801968 is an apocalyptic number.

It is an amenable number.

16801968 is an abundant number, since it is smaller than the sum of its proper divisors (26846032).

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

16801968 is a wasteful number, since it uses less digits than its factorization.

16801968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 16801968 is about 4099.0203707715. The cubic root of 16801968 is about 256.1258333205.

The spelling of 16801968 in words is "sixteen million, eight hundred one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 199 398 597 796 1194 1592 1759 2388 3184 3518 4776 5277 7036 9552 10554 14072 21108 28144 42216 84432 350041 700082 1050123 1400164 2100246 2800328 4200492 5600656 8400984 16801968