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11140830 = 2325123787
BaseRepresentation
bin101010011111…
…111011011110
3202222000100100
4222133323132
510323001310
61034441530
7163460361
oct52377336
922860310
1011140830
11631a2a8
1238932a6
132400c0c
1416a00d8
15ea0ec0
hexa9fede

11140830 has 24 divisors (see below), whose sum is σ = 28966392. Its totient is φ = 2970864.

The previous prime is 11140799. The next prime is 11140837. The reversal of 11140830 is 3804111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61804 + ... + 61983.

It is an arithmetic number, because the mean of its divisors is an integer number (1206933).

Almost surely, 211140830 is an apocalyptic number.

11140830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11140830 is an abundant number, since it is smaller than the sum of its proper divisors (17825562).

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

11140830 is a wasteful number, since it uses less digits than its factorization.

11140830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123800 (or 123797 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11140830 is about 3337.7881898047. The cubic root of 11140830 is about 223.3430876163.

Adding to 11140830 its reverse (3804111), we get a palindrome (14944941).

The spelling of 11140830 in words is "eleven million, one hundred forty thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 123787 247574 371361 618935 742722 1114083 1237870 1856805 2228166 3713610 5570415 11140830