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1107445 = 5221489
BaseRepresentation
bin100001110010111110101
32002021010111
410032113311
5240414240
635423021
712261463
oct4162765
92067114
101107445
11697049
12454a71
132ca0c1
1420b833
1516d1ea
hex10e5f5

1107445 has 4 divisors (see below), whose sum is σ = 1328940. Its totient is φ = 885952.

The previous prime is 1107439. The next prime is 1107467. The reversal of 1107445 is 5447011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5447011 = 31717183.

It can be written as a sum of positive squares in 2 ways, for example, as 508369 + 599076 = 713^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1107445 - 27 = 1107317 is a prime.

It is a congruent 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, 110740 + ... + 110749.

It is an arithmetic number, because the mean of its divisors is an integer number (332235).

21107445 is an apocalyptic number.

It is an amenable number.

1107445 is a deficient number, since it is larger than the sum of its proper divisors (221495).

1107445 is an equidigital number, since it uses as much as digits as its factorization.

1107445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221494.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1107445 is about 1052.3521273794. The cubic root of 1107445 is about 103.4603767517.

The spelling of 1107445 in words is "one million, one hundred seven thousand, four hundred forty-five".

Divisors: 1 5 221489 1107445