Search a number
-
+
103330309 = 199951691
BaseRepresentation
bin1100010100010…
…11001000000101
321012102201112111
412022023020011
5202423032214
614130421021
72363202355
oct612131005
9235381474
10103330309
1153366655
122a731771
131853b5c4
14da1ab65
1591115c4
hex628b205

103330309 has 4 divisors (see below), whose sum is σ = 103384000. Its totient is φ = 103276620.

The previous prime is 103330261. The next prime is 103330313. The reversal of 103330309 is 903033301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103330309 - 29 = 103329797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103330309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103330399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23847 + ... + 27844.

It is an arithmetic number, because the mean of its divisors is an integer number (25846000).

Almost surely, 2103330309 is an apocalyptic number.

It is an amenable number.

103330309 is a deficient number, since it is larger than the sum of its proper divisors (53691).

103330309 is an equidigital number, since it uses as much as digits as its factorization.

103330309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53690.

The product of its (nonzero) digits is 729, while the sum is 22.

The square root of 103330309 is about 10165.1516958676. The cubic root of 103330309 is about 469.2553607747.

The spelling of 103330309 in words is "one hundred three million, three hundred thirty thousand, three hundred nine".

Divisors: 1 1999 51691 103330309