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1300018 = 21934211
BaseRepresentation
bin100111101011000110010
32110001021211
410331120302
5313100033
643510334
714023066
oct4753062
92401254
101300018
118087a5
125283aa
13366955
1425baa6
151aa2cd
hex13d632

1300018 has 8 divisors (see below), whose sum is σ = 2052720. Its totient is φ = 615780.

The previous prime is 1299989. The next prime is 1300021. The reversal of 1300018 is 8100031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1299980 and 1300007.

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 3 ways as a sum of consecutive naturals, for example, 17068 + ... + 17143.

It is an arithmetic number, because the mean of its divisors is an integer number (256590).

21300018 is an apocalyptic number.

1300018 is a deficient number, since it is larger than the sum of its proper divisors (752702).

1300018 is a wasteful number, since it uses less digits than its factorization.

1300018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34232.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1300018 is about 1140.1833185940. The cubic root of 1300018 is about 109.1397920236.

Adding to 1300018 its sum of digits (13), we get a palindrome (1300031).

Adding to 1300018 its reverse (8100031), we get a palindrome (9400049).

The spelling of 1300018 in words is "one million, three hundred thousand, eighteen".

Divisors: 1 2 19 38 34211 68422 650009 1300018