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1307330 = 25239547
BaseRepresentation
bin100111111001011000010
32110102022122
410333023002
5313313310
644004242
714053313
oct4771302
92412278
101307330
11813242
12530682
1336a08b
1426060a
151ac555
hex13f2c2

1307330 has 16 divisors (see below), whose sum is σ = 2367360. Its totient is φ = 519792.

The previous prime is 1307311. The next prime is 1307347. The reversal of 1307330 is 337031.

It is a super-2 number, since 2×13073302 = 3418223457800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1307299 and 1307308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (147960).

21307330 is an apocalyptic number.

1307330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1307330 is a deficient number, since it is larger than the sum of its proper divisors (1060030).

1307330 is a wasteful number, since it uses less digits than its factorization.

1307330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 189, while the sum is 17.

The square root of 1307330 is about 1143.3853243767. The cubic root of 1307330 is about 109.3440298709.

Subtracting from 1307330 its reverse (337031), we obtain a cube (970299 = 993).

The spelling of 1307330 in words is "one million, three hundred seven thousand, three hundred thirty".

Divisors: 1 2 5 10 239 478 547 1094 1195 2390 2735 5470 130733 261466 653665 1307330