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11430012 = 22311131661
BaseRepresentation
bin101011100110…
…100001111100
3210111201000210
4223212201330
510411230022
61044552420
7166103436
oct53464174
923451023
1011430012
1164a75a0
1239b2710
1324a2729
141737656
15100ba0c
hexae687c

11430012 has 48 divisors (see below), whose sum is σ = 29361024. Its totient is φ = 3432000.

The previous prime is 11430007. The next prime is 11430017. The reversal of 11430012 is 21003411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11430007) and next prime (11430017).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11430012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16962 + ... + 17622.

It is an arithmetic number, because the mean of its divisors is an integer number (611688).

Almost surely, 211430012 is an apocalyptic number.

11430012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11430012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14680512).

11430012 is an abundant number, since it is smaller than the sum of its proper divisors (17931012).

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

11430012 is a wasteful number, since it uses less digits than its factorization.

11430012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11430012 is about 3380.8300755879. The cubic root of 11430012 is about 225.2590399274.

Adding to 11430012 its reverse (21003411), we get a palindrome (32433423).

The spelling of 11430012 in words is "eleven million, four hundred thirty thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 131 132 262 393 524 661 786 1322 1441 1572 1983 2644 2882 3966 4323 5764 7271 7932 8646 14542 17292 21813 29084 43626 86591 87252 173182 259773 346364 519546 952501 1039092 1905002 2857503 3810004 5715006 11430012