Search a number
-
+
109389388 = 22269101663
BaseRepresentation
bin1101000010100…
…10011001001100
321121211120000211
412201102121030
5211000430023
614504332204
72465536333
oct641223114
9247746024
10109389388
1156824959
1230774064
1319880464
1410756d1a
15990ba0d
hex685264c

109389388 has 12 divisors (see below), whose sum is σ = 192144960. Its totient is φ = 54490832.

The previous prime is 109389367. The next prime is 109389389. The reversal of 109389388 is 883983901.

It is not an unprimeable number, because it can be changed into a prime (109389389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49756 + ... + 51907.

It is an arithmetic number, because the mean of its divisors is an integer number (16012080).

Almost surely, 2109389388 is an apocalyptic number.

It is an amenable number.

109389388 is a deficient number, since it is larger than the sum of its proper divisors (82755572).

109389388 is a wasteful number, since it uses less digits than its factorization.

109389388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101936 (or 101934 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 109389388 is about 10458.9381870245. The cubic root of 109389388 is about 478.2537648718.

The spelling of 109389388 in words is "one hundred nine million, three hundred eighty-nine thousand, three hundred eighty-eight".

Divisors: 1 2 4 269 538 1076 101663 203326 406652 27347347 54694694 109389388