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109435069 = 177121277
BaseRepresentation
bin1101000010111…
…01100010111101
321121220212200201
412201131202331
5211003410234
614505323501
72466116452
oct641354275
9247825621
10109435069
1156856207
1230796591
13198981a3
1410769829
15991a314
hex685d8bd

109435069 has 12 divisors (see below), whose sum is σ = 117619452. Its totient is φ = 101467520.

The previous prime is 109435049. The next prime is 109435091. The reversal of 109435069 is 960534901.

It can be written as a sum of positive squares in 2 ways, for example, as 78765625 + 30669444 = 8875^2 + 5538^2 .

It is not a de Polignac number, because 109435069 - 211 = 109433021 is a prime.

It is a super-2 number, since 2×1094350692 = 23952068654069522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109435049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85059 + ... + 86335.

It is an arithmetic number, because the mean of its divisors is an integer number (9801621).

Almost surely, 2109435069 is an apocalyptic number.

It is an amenable number.

109435069 is a deficient number, since it is larger than the sum of its proper divisors (8184383).

109435069 is an equidigital number, since it uses as much as digits as its factorization.

109435069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 109435069 is about 10461.1217849712. The cubic root of 109435069 is about 478.3203285188.

It can be divided in two parts, 1094 and 35069, that added together give a palindrome (36163).

The spelling of 109435069 in words is "one hundred nine million, four hundred thirty-five thousand, sixty-nine".

Divisors: 1 17 71 1207 1277 5041 21709 85697 90667 1541339 6437357 109435069