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11203100 = 2252112031
BaseRepresentation
bin101010101111…
…001000011100
3210002011202122
4222233020130
510331444400
61040042112
7164140046
oct52571034
923064678
1011203100
116362067
123903338
13242336c
1416b8a96
15eb4685
hexaaf21c

11203100 has 18 divisors (see below), whose sum is σ = 24310944. Its totient is φ = 4481200.

The previous prime is 11203081. The next prime is 11203109. The reversal of 11203100 is 130211.

11203100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112031002 = 251018899220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55916 + ... + 56115.

It is an arithmetic number, because the mean of its divisors is an integer number (1350608).

Almost surely, 211203100 is an apocalyptic number.

11203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203100 is an abundant number, since it is smaller than the sum of its proper divisors (13107844).

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

11203100 is a wasteful number, since it uses less digits than its factorization.

11203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112045 (or 112038 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 11203100 is about 3347.1032251785. The cubic root of 11203100 is about 223.7584289866.

Adding to 11203100 its reverse (130211), we get a palindrome (11333311).

The spelling of 11203100 in words is "eleven million, two hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 112031 224062 448124 560155 1120310 2240620 2800775 5601550 11203100