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105969085 = 521193817
BaseRepresentation
bin1100101000011…
…11010110111101
321101101210020221
412110033112331
5204112002320
614303141341
72424502525
oct624172675
9241353227
10105969085
11548a9162
122b5a4851
1318c53701
1410106685
1594833aa
hex650f5bd

105969085 has 4 divisors (see below), whose sum is σ = 127162908. Its totient is φ = 84775264.

The previous prime is 105969049. The next prime is 105969091. The reversal of 105969085 is 580969501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75377124 + 30591961 = 8682^2 + 5531^2 .

It is a cyclic number.

It is not a de Polignac number, because 105969085 - 29 = 105968573 is a prime.

It is a super-2 number, since 2×1059690852 = 22458893951474450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10596904 + ... + 10596913.

It is an arithmetic number, because the mean of its divisors is an integer number (31790727).

Almost surely, 2105969085 is an apocalyptic number.

It is an amenable number.

105969085 is a deficient number, since it is larger than the sum of its proper divisors (21193823).

105969085 is an equidigital number, since it uses as much as digits as its factorization.

105969085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21193822.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 105969085 is about 10294.1286663807. The cubic root of 105969085 is about 473.2163355059.

The spelling of 105969085 in words is "one hundred five million, nine hundred sixty-nine thousand, eighty-five".

Divisors: 1 5 21193817 105969085