Search a number
-
+
109838573 = 1329291349
BaseRepresentation
bin1101000110000…
…00000011101101
321122200101012022
412203000003231
5211104313243
614522115525
72502420035
oct643000355
9248611168
10109838573
1157001389
123094bba5
13199a9a50
14108328c5
159999b68
hex68c00ed

109838573 has 8 divisors (see below), whose sum is σ = 122367000. Its totient is φ = 97892928.

The previous prime is 109838569. The next prime is 109838587. The reversal of 109838573 is 375838901.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2550409 + 107288164 = 1597^2 + 10358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109838573 - 22 = 109838569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109838503) 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 7 ways as a sum of consecutive naturals, for example, 145298 + ... + 146051.

It is an arithmetic number, because the mean of its divisors is an integer number (15295875).

Almost surely, 2109838573 is an apocalyptic number.

109838573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109838573 is a deficient number, since it is larger than the sum of its proper divisors (12528427).

109838573 is a wasteful number, since it uses less digits than its factorization.

109838573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291391.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 109838573 is about 10480.3899259522. The cubic root of 109838573 is about 478.9074877669.

The spelling of 109838573 in words is "one hundred nine million, eight hundred thirty-eight thousand, five hundred seventy-three".

Divisors: 1 13 29 377 291349 3787537 8449121 109838573