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1313055 = 32529179
BaseRepresentation
bin101000000100100011111
32110201011200
411000210133
5314004210
644050543
714106102
oct5004437
92421150
101313055
11817577
12533a53
1336c873
14262739
151ae0c0
hex14091f

1313055 has 12 divisors (see below), whose sum is σ = 2276040. Its totient is φ = 700272.

The previous prime is 1313041. The next prime is 1313057. The reversal of 1313055 is 5503131.

It is a happy number.

It is not a de Polignac number, because 1313055 - 29 = 1312543 is a prime.

It is a super-2 number, since 2×13130552 = 3448226866050, which contains 22 as substring.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14545 + ... + 14634.

It is an arithmetic number, because the mean of its divisors is an integer number (189670).

21313055 is an apocalyptic number.

1313055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313055 is a deficient number, since it is larger than the sum of its proper divisors (962985).

1313055 is a wasteful number, since it uses less digits than its factorization.

1313055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29190 (or 29187 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1313055 is about 1145.8861199962. The cubic root of 1313055 is about 109.5034089137.

Adding to 1313055 its reverse (5503131), we get a palindrome (6816186).

The spelling of 1313055 in words is "one million, three hundred thirteen thousand, fifty-five".

Divisors: 1 3 5 9 15 45 29179 87537 145895 262611 437685 1313055