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1027045 = 5192569
BaseRepresentation
bin11111010101111100101
31221011211201
43322233211
5230331140
634002501
711505205
oct3725745
91834751
101027045
116416a8
12416431
1329c626
141ca405
1515449a
hexfabe5

1027045 has 12 divisors (see below), whose sum is σ = 1303020. Its totient is φ = 777024.

The previous prime is 1027031. The next prime is 1027051. The reversal of 1027045 is 5407201.

It can be written as a sum of positive squares in 2 ways, for example, as 263169 + 763876 = 513^2 + 874^2 .

It is not a de Polignac number, because 1027045 - 27 = 1026917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1521 + ... + 2089.

It is an arithmetic number, because the mean of its divisors is an integer number (108585).

21027045 is an apocalyptic number.

It is an amenable number.

1027045 is a deficient number, since it is larger than the sum of its proper divisors (275975).

1027045 is an equidigital number, since it uses as much as digits as its factorization.

1027045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1027045 is about 1013.4322868352. The cubic root of 1027045 is about 100.8934929272.

The spelling of 1027045 in words is "one million, twenty-seven thousand, forty-five".

Divisors: 1 5 19 95 361 569 1805 2845 10811 54055 205409 1027045