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1050012 = 223229167
BaseRepresentation
bin100000000010110011100
31222100100100
410000112130
5232100022
634301100
711632155
oct4002634
91870310
101050012
11657987
12427790
132a9c12
141d492c
1515b1ac
hex10059c

1050012 has 18 divisors (see below), whose sum is σ = 2654288. Its totient is φ = 349992.

The previous prime is 1050011. The next prime is 1050013. The reversal of 1050012 is 2100501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1050011) and next prime (1050013).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10500122 = 2205050400288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1049976 and 1050003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050011) 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 5 ways as a sum of consecutive naturals, for example, 14548 + ... + 14619.

21050012 is an apocalyptic number.

1050012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1050012 is an abundant number, since it is smaller than the sum of its proper divisors (1604276).

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

1050012 is a wasteful number, since it uses less digits than its factorization.

1050012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29177 (or 29172 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 1050012 is about 1024.7009319797. The cubic root of 1050012 is about 101.6400228786.

Adding to 1050012 its reverse (2100501), we get a palindrome (3150513).

The spelling of 1050012 in words is "one million, fifty thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 29167 58334 87501 116668 175002 262503 350004 525006 1050012