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1012818 = 23168803
BaseRepresentation
bin11110111010001010010
31220110022210
43313101102
5224402233
633412550
711415552
oct3672122
91813283
101012818
11631a44
1240a156
13296001
141c5162
15150163
hexf7452

1012818 has 8 divisors (see below), whose sum is σ = 2025648. Its totient is φ = 337604.

The previous prime is 1012811. The next prime is 1012829. The reversal of 1012818 is 8182101.

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

1012818 is an admirable number.

It is a super-2 number, since 2×10128182 = 2051600602248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012794 and 1012803.

It is not an unprimeable number, because it can be changed into a prime (1012811) by changing a digit.

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, 84396 + ... + 84407.

It is an arithmetic number, because the mean of its divisors is an integer number (253206).

21012818 is an apocalyptic number.

1012818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1012818 is a wasteful number, since it uses less digits than its factorization.

1012818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168808.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1012818 is about 1006.3885929401. The cubic root of 1012818 is about 100.4254539886.

Adding to 1012818 its reverse (8182101), we get a palindrome (9194919).

It can be divided in two parts, 1012 and 818, that added together give a triangular number (1830 = T60).

The spelling of 1012818 in words is "one million, twelve thousand, eight hundred eighteen".

Divisors: 1 2 3 6 168803 337606 506409 1012818