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1070945 = 5214189
BaseRepresentation
bin100000101011101100001
32000102001122
410011131201
5233232240
634542025
712050201
oct4053541
92012048
101070945
11671687
12437915
132b65c5
141dc401
151624b5
hex105761

1070945 has 4 divisors (see below), whose sum is σ = 1285140. Its totient is φ = 856752.

The previous prime is 1070939. The next prime is 1070947. The reversal of 1070945 is 5490701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 564001 = 712^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1070945 - 28 = 1070689 is a prime.

It is a super-2 number, since 2×10709452 = 2293846386050, which contains 22 as substring.

It is an Ulam number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1070947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107090 + ... + 107099.

It is an arithmetic number, because the mean of its divisors is an integer number (321285).

21070945 is an apocalyptic number.

It is an amenable number.

1070945 is a deficient number, since it is larger than the sum of its proper divisors (214195).

1070945 is an equidigital number, since it uses as much as digits as its factorization.

1070945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214194.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1070945 is about 1034.8647254593. The cubic root of 1070945 is about 102.3110140528.

The spelling of 1070945 in words is "one million, seventy thousand, nine hundred forty-five".

Divisors: 1 5 214189 1070945