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11231412 = 2231815171
BaseRepresentation
bin101010110110…
…000010110100
3210010121121020
4222312002310
510333401122
61040421140
7164315433
oct52660264
923117536
1011231412
116381365
1239177b0
13243320a
1416c511a
15ebcc5c
hexab60b4

11231412 has 24 divisors (see below), whose sum is σ = 26356512. Its totient is φ = 3722400.

The previous prime is 11231399. The next prime is 11231431. The reversal of 11231412 is 21413211.

It is a super-2 number, since 2×112314122 = 252289231027488, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11231391 and 11231400.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 414 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (1098188).

Almost surely, 211231412 is an apocalyptic number.

11231412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11231412 is an abundant number, since it is smaller than the sum of its proper divisors (15125100).

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

11231412 is a wasteful number, since it uses less digits than its factorization.

11231412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359 (or 5357 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 11231412 is about 3351.3298852843. The cubic root of 11231412 is about 223.9467613698.

Adding to 11231412 its reverse (21413211), we get a palindrome (32644623).

The spelling of 11231412 in words is "eleven million, two hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 181 362 543 724 1086 2172 5171 10342 15513 20684 31026 62052 935951 1871902 2807853 3743804 5615706 11231412