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1054045 = 5210809
BaseRepresentation
bin100000001010101011101
31222112212201
410001111131
5232212140
634331501
711650006
oct4012535
91875781
101054045
1165aa13
12429b91
132ab9c5
141d61ad
1515c49a
hex10155d

1054045 has 4 divisors (see below), whose sum is σ = 1264860. Its totient is φ = 843232.

The previous prime is 1054043. The next prime is 1054049. The reversal of 1054045 is 5404501.

1054045 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 710649 = 586^2 + 843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054045 - 21 = 1054043 is a prime.

It is a super-2 number, since 2×10540452 = 2222021724050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105400 + ... + 105409.

It is an arithmetic number, because the mean of its divisors is an integer number (316215).

21054045 is an apocalyptic number.

It is an amenable number.

1054045 is a deficient number, since it is larger than the sum of its proper divisors (210815).

1054045 is an equidigital number, since it uses as much as digits as its factorization.

1054045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210814.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1054045 is about 1026.6669372294. Note that the first 3 decimals coincide. The cubic root of 1054045 is about 101.7699866362.

Adding to 1054045 its reverse (5404501), we get a palindrome (6458546).

It can be divided in two parts, 10540 and 45, that added together give a triangular number (10585 = T145).

The spelling of 1054045 in words is "one million, fifty-four thousand, forty-five".

Divisors: 1 5 210809 1054045