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106549271 = 234632577
BaseRepresentation
bin1100101100111…
…01000000010111
321102111021010022
412112131000113
5204234034041
614323415355
72432440163
oct626350027
9242437108
10106549271
1155165054
122b82455b
13190c780a
1410217ca3
15954a24b
hex659d017

106549271 has 4 divisors (see below), whose sum is σ = 111181872. Its totient is φ = 101916672.

The previous prime is 106549253. The next prime is 106549279. The reversal of 106549271 is 172945601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172945601 = 891943209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106549271 is a prime.

It is a super-2 number, since 2×1065492712 = 22705494301262882, 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 (106549279) 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, 2316266 + ... + 2316311.

It is an arithmetic number, because the mean of its divisors is an integer number (27795468).

Almost surely, 2106549271 is an apocalyptic number.

106549271 is a deficient number, since it is larger than the sum of its proper divisors (4632601).

106549271 is an equidigital number, since it uses as much as digits as its factorization.

106549271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632600.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 106549271 is about 10322.2706319879. The cubic root of 106549271 is about 474.0783917893.

The spelling of 106549271 in words is "one hundred six million, five hundred forty-nine thousand, two hundred seventy-one".

Divisors: 1 23 4632577 106549271