Search a number
-
+
11490109 = 68316823
BaseRepresentation
bin101011110101…
…001100111101
3210121202110121
4223311030331
510420140414
61050134541
7166443601
oct53651475
923552417
1011490109
116538764
123a21451
1324c3ba7
141751501
15101e724
hexaf533d

11490109 has 4 divisors (see below), whose sum is σ = 11507616. Its totient is φ = 11472604.

The previous prime is 11490107. The next prime is 11490121. The reversal of 11490109 is 90109411.

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 11490109 - 21 = 11490107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490107) 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, 7729 + ... + 9094.

It is an arithmetic number, because the mean of its divisors is an integer number (2876904).

Almost surely, 211490109 is an apocalyptic number.

It is an amenable number.

11490109 is a deficient number, since it is larger than the sum of its proper divisors (17507).

11490109 is an equidigital number, since it uses as much as digits as its factorization.

11490109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17506.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11490109 is about 3389.7063294628. The cubic root of 11490109 is about 225.6531408796.

The spelling of 11490109 in words is "eleven million, four hundred ninety thousand, one hundred nine".

Divisors: 1 683 16823 11490109