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1072585 = 5214517
BaseRepresentation
bin100000101110111001001
32000111022101
410011313021
5233310320
634553401
712055033
oct4056711
92014271
101072585
11672938
12438861
132b7287
141dcc53
15162c0a
hex105dc9

1072585 has 4 divisors (see below), whose sum is σ = 1287108. Its totient is φ = 858064.

The previous prime is 1072543. The next prime is 1072613. The reversal of 1072585 is 5852701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5852701 = 16933457.

It can be written as a sum of positive squares in 2 ways, for example, as 110224 + 962361 = 332^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072585 - 27 = 1072457 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107254 + ... + 107263.

It is an arithmetic number, because the mean of its divisors is an integer number (321777).

21072585 is an apocalyptic number.

It is an amenable number.

1072585 is a deficient number, since it is larger than the sum of its proper divisors (214523).

1072585 is an equidigital number, since it uses as much as digits as its factorization.

1072585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214522.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1072585 is about 1035.6567964340. The cubic root of 1072585 is about 102.3632123409.

The spelling of 1072585 in words is "one million, seventy-two thousand, five hundred eighty-five".

Divisors: 1 5 214517 1072585