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1306030 = 251131383
BaseRepresentation
bin100111110110110101110
32110100112111
410332312232
5313243110
643554234
714046445
oct4766656
92410474
101306030
11812270
1252b97a
133695cb
1425dd5c
151abe8a
hex13edae

1306030 has 32 divisors (see below), whose sum is σ = 2654208. Its totient is φ = 458400.

The previous prime is 1306027. The next prime is 1306033. The reversal of 1306030 is 306031.

It is an interprime number because it is at equal distance from previous prime (1306027) and next prime (1306033).

It is a self number, because there is not a number n which added to its sum of digits gives 1306030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (82944).

21306030 is an apocalyptic number.

1306030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306030 is an abundant number, since it is smaller than the sum of its proper divisors (1348178).

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

1306030 is a wasteful number, since it uses less digits than its factorization.

1306030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1306030 is about 1142.8166957128. The cubic root of 1306030 is about 109.3077741993.

Subtracting from 1306030 its reverse (306031), we obtain a palindrome (999999).

The spelling of 1306030 in words is "one million, three hundred six thousand, thirty".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 383 682 766 1705 1915 3410 3830 4213 8426 11873 21065 23746 42130 59365 118730 130603 261206 653015 1306030