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1311132 = 223372953
BaseRepresentation
bin101000000000110011100
32110121112110
411000012130
5313424012
644034020
714100354
oct5000634
92417473
101311132
11816089
12532910
1336ba24
14261b64
151ad73c
hex14019c

1311132 has 24 divisors (see below), whose sum is σ = 3143056. Its totient is φ = 425088.

The previous prime is 1311131. The next prime is 1311143. The reversal of 1311132 is 2311131.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 1920.

21311132 is an apocalyptic number.

1311132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311132 is an abundant number, since it is smaller than the sum of its proper divisors (1831924).

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

1311132 is a wasteful number, since it uses less digits than its factorization.

1311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2995 counting only the distinct ones).

The product of its digits is 18, while the sum is 12.

The square root of 1311132 is about 1145.0467239375. The cubic root of 1311132 is about 109.4499260217.

Adding to 1311132 its reverse (2311131), we get a palindrome (3622263).

Subtracting 1311132 from its reverse (2311131), we obtain a palindrome (999999).

The spelling of 1311132 in words is "one million, three hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 2953 5906 8859 11812 17718 35436 109261 218522 327783 437044 655566 1311132