109309250 has 16 divisors (see below), whose sum is σ = 204627384. Its totient is φ = 43723600.

The previous prime is 109309229. The next prime is 109309253. The reversal of 109309250 is 52903901.

It can be written as a sum of positive squares in 4 ways, for example, as 15626209 + 93683041 = 3953^2 + 9679^2 .

It is not an unprimeable number, because it can be changed into a prime (109309253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218369 + ... + 218868.

Almost surely, 2^109309250 is an apocalyptic number.

109309250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109309250 is a deficient number, since it is larger than the sum of its proper divisors (95318134).

109309250 is an equidigital number, since it uses as much as digits as its factorization.

109309250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437254 (or 437244 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 109309250 is about 10455.1064078755. The cubic root of 109309250 is about 478.1369477414.

The spelling of 109309250 in words is "one hundred nine million, three hundred nine thousand, two hundred fifty".