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16697043 = 3311173307
BaseRepresentation
bin111111101100…
…011011010011
31011102022001000
4333230123103
513233301133
61353513043
7261631266
oct77543323
934368030
1016697043
119474810
125712783
1335c7c0c
142308cdd
1516ec413
hexfec6d3

16697043 has 32 divisors (see below), whose sum is σ = 28581120. Its totient is φ = 9521280.

The previous prime is 16697041. The next prime is 16697117. The reversal of 16697043 is 34079661.

It is not a de Polignac number, because 16697043 - 21 = 16697041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16696989 and 16697007.

It is not an unprimeable number, because it can be changed into a prime (16697041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3396 + ... + 6702.

It is an arithmetic number, because the mean of its divisors is an integer number (893160).

Almost surely, 216697043 is an apocalyptic number.

16697043 is a deficient number, since it is larger than the sum of its proper divisors (11884077).

16697043 is a wasteful number, since it uses less digits than its factorization.

16697043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 16697043 is about 4086.2015368799. The cubic root of 16697043 is about 255.5915677529.

The spelling of 16697043 in words is "sixteen million, six hundred ninety-seven thousand, forty-three".

Divisors: 1 3 9 11 17 27 33 51 99 153 187 297 459 561 1683 3307 5049 9921 29763 36377 56219 89289 109131 168657 327393 505971 618409 982179 1517913 1855227 5565681 16697043