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108989426 = 2721385549
BaseRepresentation
bin1100111111100…
…00101111110010
321121002020101102
412133300233302
5210400130201
614452004402
72462252300
oct637605762
9247066342
10108989426
1156581407
1230600702
13197703b0
1410691270
15987d26b
hex67f0bf2

108989426 has 24 divisors (see below), whose sum is σ = 204806700. Its totient is φ = 43116192.

The previous prime is 108989411. The next prime is 108989429. The reversal of 108989426 is 624989801.

It can be written as a sum of positive squares in 2 ways, for example, as 80910025 + 28079401 = 8995^2 + 5299^2 .

It is not an unprimeable number, because it can be changed into a prime (108989429) 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 11 ways as a sum of consecutive naturals, for example, 41501 + ... + 44048.

Almost surely, 2108989426 is an apocalyptic number.

108989426 is a deficient number, since it is larger than the sum of its proper divisors (95817274).

108989426 is a wasteful number, since it uses less digits than its factorization.

108989426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85578 (or 85571 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 108989426 is about 10439.8000938715. The cubic root of 108989426 is about 477.6701709749.

The spelling of 108989426 in words is "one hundred eight million, nine hundred eighty-nine thousand, four hundred twenty-six".

Divisors: 1 2 7 13 14 26 49 91 98 182 637 1274 85549 171098 598843 1112137 1197686 2224274 4191901 7784959 8383802 15569918 54494713 108989426