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1312152 = 23354673
BaseRepresentation
bin101000000010110011000
32110122221020
411000112120
5313442102
644042440
714103342
oct5002630
92418836
101312152
11816926
12533420
1336c32a
14262292
151adbbc
hex140598

1312152 has 16 divisors (see below), whose sum is σ = 3280440. Its totient is φ = 437376.

The previous prime is 1312139. The next prime is 1312153. The reversal of 1312152 is 2512131.

It is a super-2 number, since 2×13121522 = 3443485742208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312153) 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 3 ways as a sum of consecutive naturals, for example, 27313 + ... + 27360.

21312152 is an apocalyptic number.

1312152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312152 is an abundant number, since it is smaller than the sum of its proper divisors (1968288).

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

1312152 is a wasteful number, since it uses less digits than its factorization.

1312152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54682 (or 54678 counting only the distinct ones).

The product of its digits is 60, while the sum is 15.

The square root of 1312152 is about 1145.4920340186. The cubic root of 1312152 is about 109.4783009900.

Adding to 1312152 its reverse (2512131), we get a palindrome (3824283).

The spelling of 1312152 in words is "one million, three hundred twelve thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 54673 109346 164019 218692 328038 437384 656076 1312152