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106672141 = 877121633
BaseRepresentation
bin1100101101110…
…11000000001101
321102201111200001
412112323000031
5204302002031
614330204301
72433461332
oct626730015
9242644601
10106672141
11552393a4
122b883691
131913b714
141024a989
159571861
hex65bb00d

106672141 has 4 divisors (see below), whose sum is σ = 106794652. Its totient is φ = 106549632.

The previous prime is 106672133. The next prime is 106672157. The reversal of 106672141 is 141276601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141276601 = 353400217.

It can be written as a sum of positive squares in 2 ways, for example, as 99082116 + 7590025 = 9954^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 106672141 - 23 = 106672133 is a prime.

It is a super-2 number, since 2×1066721412 = 22757891331047762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106670141) 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, 59940 + ... + 61693.

It is an arithmetic number, because the mean of its divisors is an integer number (26698663).

Almost surely, 2106672141 is an apocalyptic number.

It is an amenable number.

106672141 is a deficient number, since it is larger than the sum of its proper divisors (122511).

106672141 is an equidigital number, since it uses as much as digits as its factorization.

106672141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122510.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 106672141 is about 10328.2206115090. The cubic root of 106672141 is about 474.2605536347.

The spelling of 106672141 in words is "one hundred six million, six hundred seventy-two thousand, one hundred forty-one".

Divisors: 1 877 121633 106672141