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11030605 = 52206121
BaseRepresentation
bin101010000101…
…000001001101
3202202102010221
4222011001031
510310434410
61032231341
7162521125
oct52050115
922672127
1011030605
116254503
12383b551
1323929b1
141671c85
15e7d4da
hexa8504d

11030605 has 4 divisors (see below), whose sum is σ = 13236732. Its totient is φ = 8824480.

The previous prime is 11030597. The next prime is 11030627. The reversal of 11030605 is 50603011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50603011 = 241209971.

It can be written as a sum of positive squares in 2 ways, for example, as 2439844 + 8590761 = 1562^2 + 2931^2 .

It is not a de Polignac number, because 11030605 - 23 = 11030597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103056 + ... + 1103065.

It is an arithmetic number, because the mean of its divisors is an integer number (3309183).

Almost surely, 211030605 is an apocalyptic number.

It is an amenable number.

11030605 is a deficient number, since it is larger than the sum of its proper divisors (2206127).

11030605 is an equidigital number, since it uses as much as digits as its factorization.

11030605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206126.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 11030605 is about 3321.2354628963. The cubic root of 11030605 is about 222.6040753691.

Adding to 11030605 its reverse (50603011), we get a palindrome (61633616).

The spelling of 11030605 in words is "eleven million, thirty thousand, six hundred five".

Divisors: 1 5 2206121 11030605