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16864330 = 2572127271
BaseRepresentation
bin100000001010…
…1010001001010
31011201210111211
41000111101022
513304124310
61401243334
7263226100
oct100252112
934653454
1016864330
11957946a
12579354a
1336560c2
14234dc70
151731c8a
hex101544a

16864330 has 48 divisors (see below), whose sum is σ = 35721216. Its totient is φ = 5715360.

The previous prime is 16864319. The next prime is 16864361. The reversal of 16864330 is 3346861.

It is a junction number, because it is equal to n+sod(n) for n = 16864292 and 16864301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62095 + ... + 62365.

It is an arithmetic number, because the mean of its divisors is an integer number (744192).

Almost surely, 216864330 is an apocalyptic number.

16864330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16864330 is an abundant number, since it is smaller than the sum of its proper divisors (18856886).

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

16864330 is a wasteful number, since it uses less digits than its factorization.

16864330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 16864330 is about 4106.6202648894. The cubic root of 16864330 is about 256.4423200305.

The spelling of 16864330 in words is "sixteen million, eight hundred sixty-four thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 127 245 254 271 490 542 635 889 1270 1355 1778 1897 2710 3794 4445 6223 8890 9485 12446 13279 18970 26558 31115 34417 62230 66395 68834 132790 172085 240919 344170 481838 1204595 1686433 2409190 3372866 8432165 16864330