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1313330 = 25612153
BaseRepresentation
bin101000000101000110010
32110201112212
411000220302
5314011310
644052122
714106644
oct5005062
92421485
101313330
118177a7
12534042
1336ca25
14262894
151ae205
hex140a32

1313330 has 16 divisors (see below), whose sum is σ = 2403864. Its totient is φ = 516480.

The previous prime is 1313329. The next prime is 1313339. The reversal of 1313330 is 333131.

It can be written as a sum of positive squares in 4 ways, for example, as 358801 + 954529 = 599^2 + 977^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313339) 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, 467 + ... + 1686.

21313330 is an apocalyptic number.

1313330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313330 is a deficient number, since it is larger than the sum of its proper divisors (1090534).

1313330 is a wasteful number, since it uses less digits than its factorization.

1313330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 1313330 is about 1146.0061081862. The cubic root of 1313330 is about 109.5110530046.

Subtracting from 1313330 its sum of digits (14), we obtain a square (1313316 = 11462).

Adding to 1313330 its reverse (333131), we get a palindrome (1646461).

The spelling of 1313330 in words is "one million, three hundred thirteen thousand, three hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 2153 4306 10765 21530 131333 262666 656665 1313330