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16908093 = 321878677
BaseRepresentation
bin100000001111…
…1111100111101
31011211000112200
41000133330331
513312024333
61402222113
7263500506
oct100377475
934730480
1016908093
1195a9334
1257b4939
13366ccb7
142361bad
15173ec13
hex101ff3d

16908093 has 6 divisors (see below), whose sum is σ = 24422814. Its totient is φ = 11272056.

The previous prime is 16908091. The next prime is 16908121. The reversal of 16908093 is 39080961.

It can be written as a sum of positive squares in only one way, i.e., 14953689 + 1954404 = 3867^2 + 1398^2 .

It is not a de Polignac number, because 16908093 - 21 = 16908091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16908091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 939330 + ... + 939347.

It is an arithmetic number, because the mean of its divisors is an integer number (4070469).

Almost surely, 216908093 is an apocalyptic number.

It is an amenable number.

16908093 is a deficient number, since it is larger than the sum of its proper divisors (7514721).

16908093 is a wasteful number, since it uses less digits than its factorization.

16908093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878683 (or 1878680 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16908093 is about 4111.9451601401. The cubic root of 16908093 is about 256.6639513590.

The spelling of 16908093 in words is "sixteen million, nine hundred eight thousand, ninety-three".

Divisors: 1 3 9 1878677 5636031 16908093