Search a number
-
+
108994079 = 234738873
BaseRepresentation
bin1100111111100…
…01111000011111
321121002110202202
412133301320133
5210400302304
614452042115
72462301665
oct637617037
9247073682
10108994079
1156584957
123060333b
131977254c
1410692c35
15987e81e
hex67f1e1f

108994079 has 4 divisors (see below), whose sum is σ = 113732976. Its totient is φ = 104255184.

The previous prime is 108994073. The next prime is 108994087. The reversal of 108994079 is 970499801.

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

It is a cyclic number.

It is not a de Polignac number, because 108994079 - 212 = 108989983 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108994073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369414 + ... + 2369459.

It is an arithmetic number, because the mean of its divisors is an integer number (28433244).

Almost surely, 2108994079 is an apocalyptic number.

108994079 is a deficient number, since it is larger than the sum of its proper divisors (4738897).

108994079 is an equidigital number, since it uses as much as digits as its factorization.

108994079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738896.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 108994079 is about 10440.0229405878. The cubic root of 108994079 is about 477.6769684773.

The spelling of 108994079 in words is "one hundred eight million, nine hundred ninety-four thousand, seventy-nine".

Divisors: 1 23 4738873 108994079