Search a number
-
+
108224069 = 313491099
BaseRepresentation
bin1100111001101…
…01111001000101
321112122100111212
412130311321011
5210201132234
614423341205
72452614032
oct634657105
9245570455
10108224069
11560a9388
12302b1805
1319562c15
1410532389
15977b5ce
hex6735e45

108224069 has 4 divisors (see below), whose sum is σ = 111715200. Its totient is φ = 104732940.

The previous prime is 108224021. The next prime is 108224099. The reversal of 108224069 is 960422801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108224069 is a prime.

It is a super-2 number, since 2×1082240692 = 23424898221833522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108224099) 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, 1745519 + ... + 1745580.

It is an arithmetic number, because the mean of its divisors is an integer number (27928800).

Almost surely, 2108224069 is an apocalyptic number.

It is an amenable number.

108224069 is a deficient number, since it is larger than the sum of its proper divisors (3491131).

108224069 is an equidigital number, since it uses as much as digits as its factorization.

108224069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491130.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 108224069 is about 10403.0797843715. The cubic root of 108224069 is about 476.5494282445.

The spelling of 108224069 in words is "one hundred eight million, two hundred twenty-four thousand, sixty-nine".

Divisors: 1 31 3491099 108224069