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106909497 = 3323172157
BaseRepresentation
bin1100101111101…
…00111100111001
321110011120021000
412113310330321
5204332100442
614335235213
72435500332
oct627647471
9243146230
10106909497
1155390762
122b978b09
13191c2776
14102ad289
1595bbd4c
hex65f4f39

106909497 has 16 divisors (see below), whose sum is σ = 165271680. Its totient is φ = 68173776.

The previous prime is 106909469. The next prime is 106909499. The reversal of 106909497 is 794909601.

It is not a de Polignac number, because 106909497 - 26 = 106909433 is a prime.

It is a super-2 number, since 2×1069094972 = 22859281097586018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106909499) 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 15 ways as a sum of consecutive naturals, for example, 85458 + ... + 86699.

It is an arithmetic number, because the mean of its divisors is an integer number (10329480).

Almost surely, 2106909497 is an apocalyptic number.

It is an amenable number.

106909497 is a deficient number, since it is larger than the sum of its proper divisors (58362183).

106909497 is a wasteful number, since it uses less digits than its factorization.

106909497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172189 (or 172183 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 106909497 is about 10339.7048797342. The cubic root of 106909497 is about 474.6120518419.

The spelling of 106909497 in words is "one hundred six million, nine hundred nine thousand, four hundred ninety-seven".

Divisors: 1 3 9 23 27 69 207 621 172157 516471 1549413 3959611 4648239 11878833 35636499 106909497