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106609001 = 1732412557
BaseRepresentation
bin1100101101010…
…11100101101001
321102121022001112
412112223211221
5204242442001
614325000105
72433106262
oct626534551
9242538045
10106609001
11551a5a14
122b853035
1319118a65
1410231969
15955ccbb
hex65ab969

106609001 has 8 divisors (see below), whose sum is σ = 107712264. Its totient is φ = 105511680.

The previous prime is 106608977. The next prime is 106609021. The reversal of 106609001 is 100906601.

It can be written as a sum of positive squares in 4 ways, for example, as 47334400 + 59274601 = 6880^2 + 7699^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 106609001 - 26 = 106608937 is a prime.

It is a super-2 number, since 2×1066090012 = 22730958188436002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106609021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40415 + ... + 42971.

It is an arithmetic number, because the mean of its divisors is an integer number (13464033).

Almost surely, 2106609001 is an apocalyptic number.

It is an amenable number.

106609001 is a deficient number, since it is larger than the sum of its proper divisors (1103263).

106609001 is a wasteful number, since it uses less digits than its factorization.

106609001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 106609001 is about 10325.1634853885. The cubic root of 106609001 is about 474.1669624334.

The spelling of 106609001 in words is "one hundred six million, six hundred nine thousand, one".

Divisors: 1 173 241 2557 41693 442361 616237 106609001