Search a number
-
+
109728037 is a prime number
BaseRepresentation
bin1101000101001…
…01000100100101
321122110202120101
412202211010211
5211042244122
614515504101
72501446546
oct642450445
9248422511
10109728037
1156a36331
12308b8031
131996b643
14108044cd
159977027
hex68a5125

109728037 has 2 divisors, whose sum is σ = 109728038. Its totient is φ = 109728036.

The previous prime is 109728001. The next prime is 109728053. The reversal of 109728037 is 730827901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103245921 + 6482116 = 10161^2 + 2546^2 .

It is an emirp because it is prime and its reverse (730827901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109728037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109727987 and 109728005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109728337) 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 as a sum of consecutive naturals, namely, 54864018 + 54864019.

It is an arithmetic number, because the mean of its divisors is an integer number (54864019).

Almost surely, 2109728037 is an apocalyptic number.

It is an amenable number.

109728037 is a deficient number, since it is larger than the sum of its proper divisors (1).

109728037 is an equidigital number, since it uses as much as digits as its factorization.

109728037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 109728037 is about 10475.1151306322. The cubic root of 109728037 is about 478.7467843999.

The spelling of 109728037 in words is "one hundred nine million, seven hundred twenty-eight thousand, thirty-seven".