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102168817 = 432419859
BaseRepresentation
bin1100001011011…
…11100011110001
321010020201021021
412011233203301
5202123400232
614045455441
72350264162
oct605574361
9233221237
10102168817
1152742a43
122a271581
1318222a2a
14d7d7769
158e82397
hex616f8f1

102168817 has 8 divisors (see below), whose sum is σ = 104989280. Its totient is φ = 99368640.

The previous prime is 102168811. The next prime is 102168851. The reversal of 102168817 is 718861201.

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 102168817 - 23 = 102168809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102168811) 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, 5434 + ... + 15292.

It is an arithmetic number, because the mean of its divisors is an integer number (13123660).

Almost surely, 2102168817 is an apocalyptic number.

It is an amenable number.

102168817 is a deficient number, since it is larger than the sum of its proper divisors (2820463).

102168817 is an equidigital number, since it uses as much as digits as its factorization.

102168817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143.

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 102168817 is about 10107.8591699726. The cubic root of 102168817 is about 467.4904982484.

The spelling of 102168817 in words is "one hundred two million, one hundred sixty-eight thousand, eight hundred seventeen".

Divisors: 1 43 241 9859 10363 423937 2376019 102168817