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11003845 = 517129457
BaseRepresentation
bin101001111110…
…011111000101
3202201001102211
4221332133011
510304110340
61031503421
7162350116
oct51763705
922631384
1011003845
116236396
123827b71
132383768
14166620d
15e755ea
hexa7e7c5

11003845 has 8 divisors (see below), whose sum is σ = 13981464. Its totient is φ = 8285184.

The previous prime is 11003843. The next prime is 11003857. The reversal of 11003845 is 54830011.

11003845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5612161 + 5391684 = 2369^2 + 2322^2 .

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 11003845 - 21 = 11003843 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 (11003843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64644 + ... + 64813.

It is an arithmetic number, because the mean of its divisors is an integer number (1747683).

Almost surely, 211003845 is an apocalyptic number.

It is an amenable number.

11003845 is a deficient number, since it is larger than the sum of its proper divisors (2977619).

11003845 is a wasteful number, since it uses less digits than its factorization.

11003845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129479.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11003845 is about 3317.2043952702. The cubic root of 11003845 is about 222.4239187760.

Adding to 11003845 its reverse (54830011), we get a palindrome (65833856).

The spelling of 11003845 in words is "eleven million, three thousand, eight hundred forty-five".

Divisors: 1 5 17 85 129457 647285 2200769 11003845