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10689219 = 33395897
BaseRepresentation
bin101000110001…
…101011000011
3202010001212000
4220301223003
510214023334
61021035043
7156566622
oct50615303
922101760
1010689219
116040a72
1236b5a83
1322a34a8
1415c36b9
15e12299
hexa31ac3

10689219 has 8 divisors (see below), whose sum is σ = 15835920. Its totient is φ = 7126128.

The previous prime is 10689187. The next prime is 10689221. The reversal of 10689219 is 91298601.

It is not a de Polignac number, because 10689219 - 25 = 10689187 is a prime.

It is a super-2 number, since 2×106892192 = 228518805659922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10689269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197922 + ... + 197975.

It is an arithmetic number, because the mean of its divisors is an integer number (1979490).

Almost surely, 210689219 is an apocalyptic number.

10689219 is a deficient number, since it is larger than the sum of its proper divisors (5146701).

10689219 is an equidigital number, since it uses as much as digits as its factorization.

10689219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395906 (or 395900 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 10689219 is about 3269.4371075156. The cubic root of 10689219 is about 220.2835118945.

The spelling of 10689219 in words is "ten million, six hundred eighty-nine thousand, two hundred nineteen".

Divisors: 1 3 9 27 395897 1187691 3563073 10689219