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17696081 = 133134349
BaseRepresentation
bin100001110000…
…0010101010001
31020022001110102
41003200111101
514012233311
61431142145
7303262034
oct103402521
936261412
1017696081
119a97367
125b14955
133887870
1424c901b
15184843b
hex10e0551

17696081 has 8 divisors (see below), whose sum is σ = 19122600. Its totient is φ = 16278912.

The previous prime is 17696069. The next prime is 17696083. The reversal of 17696081 is 18069671.

It can be written as a sum of positive squares in 4 ways, for example, as 3671056 + 14025025 = 1916^2 + 3745^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-17696081 is a prime.

It is a super-2 number, since 2×176960812 = 626302565517122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17696083) 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, 1895 + ... + 6243.

It is an arithmetic number, because the mean of its divisors is an integer number (2390325).

Almost surely, 217696081 is an apocalyptic number.

It is an amenable number.

17696081 is a deficient number, since it is larger than the sum of its proper divisors (1426519).

17696081 is a wasteful number, since it uses less digits than its factorization.

17696081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 17696081 is about 4206.6710116195. The cubic root of 17696081 is about 260.5907720157.

The spelling of 17696081 in words is "seventeen million, six hundred ninety-six thousand, eighty-one".

Divisors: 1 13 313 4069 4349 56537 1361237 17696081