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11030988 = 223919249
BaseRepresentation
bin101010000101…
…000111001100
3202202102200010
4222011013030
510310442423
61032233220
7162522213
oct52050714
922672603
1011030988
116254821
12383b810
132392c17
14167207a
15e7d693
hexa851cc

11030988 has 12 divisors (see below), whose sum is σ = 25739000. Its totient is φ = 3676992.

The previous prime is 11030953. The next prime is 11030989. The reversal of 11030988 is 88903011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×110309882 = 243365392512288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11030989) 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, 459613 + ... + 459636.

Almost surely, 211030988 is an apocalyptic number.

It is an amenable number.

11030988 is an abundant number, since it is smaller than the sum of its proper divisors (14708012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11030988 is a wasteful number, since it uses less digits than its factorization.

11030988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919256 (or 919254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11030988 is about 3321.2931216621. The cubic root of 11030988 is about 222.6066517275.

Adding to 11030988 its reverse (88903011), we get a palindrome (99933999).

The spelling of 11030988 in words is "eleven million, thirty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 919249 1838498 2757747 3676996 5515494 11030988