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108970906 = 2112450293
BaseRepresentation
bin1100111111011…
…00001110011010
321121001021222111
412133230032122
5210344032111
614451342534
72462144302
oct637541632
9247037874
10108970906
1156569500
12305b1a4a
1319764b35
1410688602
159877a21
hex67ec39a

108970906 has 12 divisors (see below), whose sum is σ = 179667306. Its totient is φ = 49532120.

The previous prime is 108970903. The next prime is 108970913. The reversal of 108970906 is 609079801.

It can be written as a sum of positive squares in only one way, i.e., 82355625 + 26615281 = 9075^2 + 5159^2 .

It is not an unprimeable number, because it can be changed into a prime (108970903) 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, 224905 + ... + 225388.

Almost surely, 2108970906 is an apocalyptic number.

108970906 is a deficient number, since it is larger than the sum of its proper divisors (70696400).

108970906 is a wasteful number, since it uses less digits than its factorization.

108970906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450317 (or 450306 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 108970906 is about 10438.9130660237. The cubic root of 108970906 is about 477.6431134488.

The spelling of 108970906 in words is "one hundred eight million, nine hundred seventy thousand, nine hundred six".

Divisors: 1 2 11 22 121 242 450293 900586 4953223 9906446 54485453 108970906