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11331672 = 2331142923
BaseRepresentation
bin101011001110…
…100001011000
3210022201010120
4223032201120
510400103142
61042513240
7165213642
oct53164130
923281116
1011331672
11643a720
123965820
132469a41
14170d892
15edc7ec
hexace858

11331672 has 32 divisors (see below), whose sum is σ = 30905280. Its totient is φ = 3433760.

The previous prime is 11331667. The next prime is 11331679. The reversal of 11331672 is 27613311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331679) by changing a digit.

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, 21198 + ... + 21725.

It is an arithmetic number, because the mean of its divisors is an integer number (965790).

Almost surely, 211331672 is an apocalyptic number.

11331672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11331672 is an abundant number, since it is smaller than the sum of its proper divisors (19573608).

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

11331672 is a wasteful number, since it uses less digits than its factorization.

11331672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42943 (or 42939 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 11331672 is about 3366.2548923099. The cubic root of 11331672 is about 224.6111605030.

Adding to 11331672 its reverse (27613311), we get a palindrome (38944983).

The spelling of 11331672 in words is "eleven million, three hundred thirty-one thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 42923 85846 128769 171692 257538 343384 472153 515076 944306 1030152 1416459 1888612 2832918 3777224 5665836 11331672