Search a number
-
+
103445801 is a prime number
BaseRepresentation
bin1100010101001…
…11010100101001
321012122120221222
412022213110221
5202440231201
614133111425
72364163154
oct612472451
9235576858
10103445801
11534353a8
122a788575
131857c044
14da4ac9b
15913591b
hex62a7529

103445801 has 2 divisors, whose sum is σ = 103445802. Its totient is φ = 103445800.

The previous prime is 103445777. The next prime is 103445803. The reversal of 103445801 is 108544301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86471401 + 16974400 = 9299^2 + 4120^2 .

It is an emirp because it is prime and its reverse (108544301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103445801 is a prime.

Together with 103445803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103445803) 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 as a sum of consecutive naturals, namely, 51722900 + 51722901.

It is an arithmetic number, because the mean of its divisors is an integer number (51722901).

Almost surely, 2103445801 is an apocalyptic number.

It is an amenable number.

103445801 is a deficient number, since it is larger than the sum of its proper divisors (1).

103445801 is an equidigital number, since it uses as much as digits as its factorization.

103445801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 103445801 is about 10170.8308903452. The cubic root of 103445801 is about 469.4301241521.

The spelling of 103445801 in words is "one hundred three million, four hundred forty-five thousand, eight hundred one".