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101228349 = 333742783
BaseRepresentation
bin1100000100010…
…01111100111101
321001110221012010
412002021330331
5201403301344
614013401433
72336266245
oct602117475
9231427163
10101228349
11521603a2
1229a99279
1317c83941
14d630b25
158d488b9
hex6089f3d

101228349 has 4 divisors (see below), whose sum is σ = 134971136. Its totient is φ = 67485564.

The previous prime is 101228339. The next prime is 101228363. The reversal of 101228349 is 943822101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101228349 - 29 = 101227837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101228339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16871389 + ... + 16871394.

It is an arithmetic number, because the mean of its divisors is an integer number (33742784).

Almost surely, 2101228349 is an apocalyptic number.

It is an amenable number.

101228349 is a deficient number, since it is larger than the sum of its proper divisors (33742787).

101228349 is an equidigital number, since it uses as much as digits as its factorization.

101228349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33742786.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 101228349 is about 10061.2299943894. The cubic root of 101228349 is about 466.0516514551.

The spelling of 101228349 in words is "one hundred one million, two hundred twenty-eight thousand, three hundred forty-nine".

Divisors: 1 3 33742783 101228349