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16706087 = 177113841
BaseRepresentation
bin111111101110…
…101000100111
31011102202102222
4333232220213
513234043322
61354022555
7261666536
oct77565047
934382388
1016706087
119480592
125717a5b
1335cc078
14230c31d
1516eee42
hexfeea27

16706087 has 8 divisors (see below), whose sum is σ = 17939232. Its totient is φ = 15500800.

The previous prime is 16706071. The next prime is 16706093. The reversal of 16706087 is 78060761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16706087 - 24 = 16706071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16706047) 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, 5714 + ... + 8127.

It is an arithmetic number, because the mean of its divisors is an integer number (2242404).

Almost surely, 216706087 is an apocalyptic number.

16706087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16706087 is a deficient number, since it is larger than the sum of its proper divisors (1233145).

16706087 is a wasteful number, since it uses less digits than its factorization.

16706087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13929.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 16706087 is about 4087.3080383059. The cubic root of 16706087 is about 255.6377067191.

The spelling of 16706087 in words is "sixteen million, seven hundred six thousand, eighty-seven".

Divisors: 1 17 71 1207 13841 235297 982711 16706087