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1054145 = 5434903
BaseRepresentation
bin100000001010111000001
31222120000102
410001113001
5232213040
634332145
711650211
oct4012701
91876012
101054145
1165aaa4
1242a055
132aba71
141d6241
1515c515
hex1015c1

1054145 has 8 divisors (see below), whose sum is σ = 1294656. Its totient is φ = 823536.

The previous prime is 1054133. The next prime is 1054169. The reversal of 1054145 is 5414501.

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

It is not a de Polignac number, because 1054145 - 220 = 5569 is a prime.

It is a super-2 number, since 2×10541452 = 2222443362050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (161832).

21054145 is an apocalyptic number.

It is an amenable number.

1054145 is a deficient number, since it is larger than the sum of its proper divisors (240511).

1054145 is an equidigital number, since it uses as much as digits as its factorization.

1054145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1054145 is about 1026.7156373602. The cubic root of 1054145 is about 101.7732049291.

Adding to 1054145 its reverse (5414501), we get a palindrome (6468646).

The spelling of 1054145 in words is "one million, fifty-four thousand, one hundred forty-five".

Divisors: 1 5 43 215 4903 24515 210829 1054145