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16707697 = 151110647
BaseRepresentation
bin111111101111…
…000001110001
31011102211122121
4333233001301
513234121242
61354034241
7262004326
oct77570161
934384577
1016707697
119481816
125718981
1335cca16
14230cb4d
151700667
hexfef071

16707697 has 4 divisors (see below), whose sum is σ = 16818496. Its totient is φ = 16596900.

The previous prime is 16707673. The next prime is 16707709. The reversal of 16707697 is 79670761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79670761 = 238933349.

It is a cyclic number.

It is not a de Polignac number, because 16707697 - 27 = 16707569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16704697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55173 + ... + 55474.

It is an arithmetic number, because the mean of its divisors is an integer number (4204624).

Almost surely, 216707697 is an apocalyptic number.

It is an amenable number.

16707697 is a deficient number, since it is larger than the sum of its proper divisors (110799).

16707697 is a wasteful number, since it uses less digits than its factorization.

16707697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110798.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 16707697 is about 4087.5049847064. The cubic root of 16707697 is about 255.6459185660.

The spelling of 16707697 in words is "sixteen million, seven hundred seven thousand, six hundred ninety-seven".

Divisors: 1 151 110647 16707697