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1045049 = 4171359
BaseRepresentation
bin11111111001000111001
31222002112112
43333020321
5231420144
634222105
711611535
oct3771071
91862475
101045049
11654185
12424935
132a7895
141d2bc5
1515999e
hexff239

1045049 has 8 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 1002400.

The previous prime is 1045043. The next prime is 1045061. The reversal of 1045049 is 9405401.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1045049 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1045043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2732 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

21045049 is an apocalyptic number.

It is an amenable number.

1045049 is a deficient number, since it is larger than the sum of its proper divisors (43591).

1045049 is an equidigital number, since it uses as much as digits as its factorization.

1045049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1045049 is about 1022.2763814155. The cubic root of 1045049 is about 101.4796322385.

The spelling of 1045049 in words is "one million, forty-five thousand, forty-nine".

Divisors: 1 41 71 359 2911 14719 25489 1045049