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108947038 = 254473519
BaseRepresentation
bin1100111111001…
…10011001011110
321121000002020111
412133212121132
5210342301123
614451040234
72462014564
oct637463136
9247002214
10108947038
1156552582
12305a007a
1319757005
141067da34
15987090d
hex67e665e

108947038 has 4 divisors (see below), whose sum is σ = 163420560. Its totient is φ = 54473518.

The previous prime is 108947023. The next prime is 108947039. The reversal of 108947038 is 830749801.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108947039) 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 as a sum of consecutive naturals, namely, 27236758 + ... + 27236761.

It is an arithmetic number, because the mean of its divisors is an integer number (40855140).

Almost surely, 2108947038 is an apocalyptic number.

108947038 is a deficient number, since it is larger than the sum of its proper divisors (54473522).

108947038 is an equidigital number, since it uses as much as digits as its factorization.

108947038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54473521.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 108947038 is about 10437.7697809446. The cubic root of 108947038 is about 477.6082380290.

The spelling of 108947038 in words is "one hundred eight million, nine hundred forty-seven thousand, thirty-eight".

Divisors: 1 2 54473519 108947038