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16006398 = 2319140407
BaseRepresentation
bin111101000011…
…110011111110
31010010012122120
4331003303332
513044201043
61331023410
7253023612
oct75036376
933105576
1016006398
119042931
12543ab66
133415755
1421a9342
151612983
hexf43cfe

16006398 has 16 divisors (see below), whose sum is σ = 33697920. Its totient is φ = 5054616.

The previous prime is 16006357. The next prime is 16006421. The reversal of 16006398 is 89360061.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70090 + ... + 70317.

It is an arithmetic number, because the mean of its divisors is an integer number (2106120).

Almost surely, 216006398 is an apocalyptic number.

16006398 is an abundant number, since it is smaller than the sum of its proper divisors (17691522).

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

16006398 is a wasteful number, since it uses less digits than its factorization.

16006398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140431.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 16006398 is about 4000.7996700660. The cubic root of 16006398 is about 252.0177928984.

The spelling of 16006398 in words is "sixteen million, six thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 19 38 57 114 140407 280814 421221 842442 2667733 5335466 8003199 16006398