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1313052 = 2231319443
BaseRepresentation
bin101000000100100011100
32110201011120
411000210130
5314004202
644050540
714106066
oct5004434
92421146
101313052
11817574
12533a50
1336c870
14262736
151ae0bc
hex14091c

1313052 has 48 divisors (see below), whose sum is σ = 3480960. Its totient is φ = 381888.

The previous prime is 1313041. The next prime is 1313057. The reversal of 1313052 is 2503131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313057) 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 15 ways as a sum of consecutive naturals, for example, 2743 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (72520).

21313052 is an apocalyptic number.

1313052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740480).

1313052 is an abundant number, since it is smaller than the sum of its proper divisors (2167908).

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

1313052 is a wasteful number, since it uses less digits than its factorization.

1313052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1313052 is about 1145.8848109649. The cubic root of 1313052 is about 109.5033255177.

Adding to 1313052 its reverse (2503131), we get a palindrome (3816183).

The spelling of 1313052 in words is "one million, three hundred thirteen thousand, fifty-two".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 443 494 741 886 988 1329 1482 1772 2658 2964 5316 5759 8417 11518 16834 17277 23036 25251 33668 34554 50502 69108 101004 109421 218842 328263 437684 656526 1313052