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1045045 = 5474447
BaseRepresentation
bin11111111001000110101
31222002112101
43333020311
5231420140
634222101
711611531
oct3771065
91862471
101045045
11654181
12424931
132a7891
141d2bc1
1515999a
hexff235

1045045 has 8 divisors (see below), whose sum is σ = 1281024. Its totient is φ = 818064.

The previous prime is 1045043. The next prime is 1045061. The reversal of 1045045 is 5405401.

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

It is a cyclic number.

It is not a de Polignac number, because 1045045 - 21 = 1045043 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

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, 1989 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (160128).

21045045 is an apocalyptic number.

It is an amenable number.

1045045 is a deficient number, since it is larger than the sum of its proper divisors (235979).

1045045 is an equidigital number, since it uses as much as digits as its factorization.

1045045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499.

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

The square root of 1045045 is about 1022.2744249956. The cubic root of 1045045 is about 101.4795027648.

The spelling of 1045045 in words is "one million, forty-five thousand, forty-five".

Divisors: 1 5 47 235 4447 22235 209009 1045045