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1080545 = 51971097
BaseRepresentation
bin100000111110011100001
32000220020012
410013303201
5234034140
635054305
712120164
oct4076341
92026205
101080545
11678914
12441395
132baa9b
14201adb
15165265
hex107ce1

1080545 has 8 divisors (see below), whose sum is σ = 1304424. Its totient is φ = 859264.

The previous prime is 1080539. The next prime is 1080553. The reversal of 1080545 is 5450801.

It can be written as a sum of positive squares in 4 ways, for example, as 277729 + 802816 = 527^2 + 896^2 .

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 1080545 - 26 = 1080481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1080545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (163053).

21080545 is an apocalyptic number.

It is an amenable number.

1080545 is a deficient number, since it is larger than the sum of its proper divisors (223879).

1080545 is a wasteful number, since it uses less digits than its factorization.

1080545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1080545 is about 1039.4926647168. The cubic root of 1080545 is about 102.6158119890.

The spelling of 1080545 in words is "one million, eighty thousand, five hundred forty-five".

Divisors: 1 5 197 985 1097 5485 216109 1080545