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101668349 = 238949667
BaseRepresentation
bin1100000111101…
…01010111111101
321002022021202102
412003311113331
5202011341344
614031034445
72343111116
oct603652775
9232267672
10101668349
1152430a32
122a06ba25
13180a8cb3
14d70720d
158dd3e4e
hex60f55fd

101668349 has 8 divisors (see below), whose sum is σ = 107282880. Its totient is φ = 96153376.

The previous prime is 101668331. The next prime is 101668361. The reversal of 101668349 is 943866101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101668349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101668649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22787 + ... + 26880.

It is an arithmetic number, because the mean of its divisors is an integer number (13410360).

Almost surely, 2101668349 is an apocalyptic number.

It is an amenable number.

101668349 is a deficient number, since it is larger than the sum of its proper divisors (5614531).

101668349 is an equidigital number, since it uses as much as digits as its factorization.

101668349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49779.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 101668349 is about 10083.0723988277. The cubic root of 101668349 is about 466.7259234844.

The spelling of 101668349 in words is "one hundred one million, six hundred sixty-eight thousand, three hundred forty-nine".

Divisors: 1 23 89 2047 49667 1142341 4420363 101668349