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11030987 = 111002817
BaseRepresentation
bin101010000101…
…000111001011
3202202102200002
4222011013023
510310442422
61032233215
7162522212
oct52050713
922672602
1011030987
116254820
12383b80b
132392c16
141672079
15e7d692
hexa851cb

11030987 has 4 divisors (see below), whose sum is σ = 12033816. Its totient is φ = 10028160.

The previous prime is 11030953. The next prime is 11030989. The reversal of 11030987 is 78903011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11030987 - 212 = 11026891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11030989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501398 + ... + 501419.

It is an arithmetic number, because the mean of its divisors is an integer number (3008454).

Almost surely, 211030987 is an apocalyptic number.

11030987 is a deficient number, since it is larger than the sum of its proper divisors (1002829).

11030987 is a wasteful number, since it uses less digits than its factorization.

11030987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002828.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11030987 is about 3321.2929711183. The cubic root of 11030987 is about 222.6066450008.

Adding to 11030987 its reverse (78903011), we get a palindrome (89933998).

The spelling of 11030987 in words is "eleven million, thirty thousand, nine hundred eighty-seven".

Divisors: 1 11 1002817 11030987