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106122449 = 176242497
BaseRepresentation
bin1100101001101…
…00110011010001
321101200120122002
412110310303101
5204131404244
614310323345
72426011616
oct624646321
9241616562
10106122449
11549a3404
122b659555
1318ca8464
141014650d
1594b3a4e
hex6534cd1

106122449 has 4 divisors (see below), whose sum is σ = 112364964. Its totient is φ = 99879936.

The previous prime is 106122431. The next prime is 106122461. The reversal of 106122449 is 944221601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944221601 = 2441338677.

It can be written as a sum of positive squares in 2 ways, for example, as 85692049 + 20430400 = 9257^2 + 4520^2 .

It is a cyclic number.

It is not a de Polignac number, because 106122449 - 224 = 89345233 is a prime.

It is a super-2 number, since 2×1061224492 = 22523948363515202, 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 (106122349) 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 3 ways as a sum of consecutive naturals, for example, 3121232 + ... + 3121265.

It is an arithmetic number, because the mean of its divisors is an integer number (28091241).

Almost surely, 2106122449 is an apocalyptic number.

It is an amenable number.

106122449 is a deficient number, since it is larger than the sum of its proper divisors (6242515).

106122449 is an equidigital number, since it uses as much as digits as its factorization.

106122449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242514.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 106122449 is about 10301.5750737448. The cubic root of 106122449 is about 473.4445132713. Note that the first 3 decimals are identical.

The spelling of 106122449 in words is "one hundred six million, one hundred twenty-two thousand, four hundred forty-nine".

Divisors: 1 17 6242497 106122449