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102741665 = 5133834127
BaseRepresentation
bin1100001111110…
…11011010100001
321011022211001212
412013323122201
5202300213130
614110035505
72355201245
oct607733241
9234284055
10102741665
1152aa4374
122a4a8b95
13183936b0
14d906425
159046e95
hex61fb6a1

102741665 has 16 divisors (see below), whose sum is σ = 133152768. Its totient is φ = 75654336.

The previous prime is 102741631. The next prime is 102741673. The reversal of 102741665 is 566147201.

It is a cyclic number.

It is not a de Polignac number, because 102741665 - 26 = 102741601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22832 + ... + 26958.

It is an arithmetic number, because the mean of its divisors is an integer number (8322048).

Almost surely, 2102741665 is an apocalyptic number.

It is an amenable number.

102741665 is a deficient number, since it is larger than the sum of its proper divisors (30411103).

102741665 is a wasteful number, since it uses less digits than its factorization.

102741665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 102741665 is about 10136.1563227882. The cubic root of 102741665 is about 468.3625909571.

Adding to 102741665 its reverse (566147201), we get a palindrome (668888866).

The spelling of 102741665 in words is "one hundred two million, seven hundred forty-one thousand, six hundred sixty-five".

Divisors: 1 5 13 65 383 1915 4127 4979 20635 24895 53651 268255 1580641 7903205 20548333 102741665