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11231164 = 227401113
BaseRepresentation
bin101010110101…
…111110111100
3210010121021001
4222311332330
510333344124
61040420044
7164314630
oct52657674
923117231
1011231164
11638115a
123917624
132433079
1416c4dc0
15ebcb44
hexab5fbc

11231164 has 12 divisors (see below), whose sum is σ = 22462384. Its totient is φ = 4813344.

The previous prime is 11231159. The next prime is 11231201. The reversal of 11231164 is 46113211.

11231164 is an admirable number.

It is a super-2 number, since 2×112311642 = 252278089589792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200529 + ... + 200584.

Almost surely, 211231164 is an apocalyptic number.

11231164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11231164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11231164 is a wasteful number, since it uses less digits than its factorization.

11231164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401124 (or 401122 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 11231164 is about 3351.2928848431. The cubic root of 11231164 is about 223.9451130402.

Adding to 11231164 its reverse (46113211), we get a palindrome (57344375).

The spelling of 11231164 in words is "eleven million, two hundred thirty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 401113 802226 1604452 2807791 5615582 11231164