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102836985 = 356855799
BaseRepresentation
bin1100010000100…
…10101011111001
321011111122211020
412020102223321
5202311240420
614112053053
72356046166
oct610225371
9234448736
10102836985
1153059a49
122a534189
13183c7bb4
14d92d06d
159065340
hex6212af9

102836985 has 8 divisors (see below), whose sum is σ = 164539200. Its totient is φ = 54846384.

The previous prime is 102836983. The next prime is 102837001. The reversal of 102836985 is 589638201.

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

It is not a de Polignac number, because 102836985 - 21 = 102836983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102836983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3427885 + ... + 3427914.

It is an arithmetic number, because the mean of its divisors is an integer number (20567400).

Almost surely, 2102836985 is an apocalyptic number.

102836985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102836985 is a deficient number, since it is larger than the sum of its proper divisors (61702215).

102836985 is an equidigital number, since it uses as much as digits as its factorization.

102836985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855807.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 102836985 is about 10140.8572122873. The cubic root of 102836985 is about 468.5073894762.

The spelling of 102836985 in words is "one hundred two million, eight hundred thirty-six thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 6855799 20567397 34278995 102836985