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1071485 = 5214297
BaseRepresentation
bin100000101100101111101
32000102210122
410011211331
5233241420
634544325
712051602
oct4054575
92012718
101071485
11672028
124380a5
132b691c
141dc6a9
15162725
hex10597d

1071485 has 4 divisors (see below), whose sum is σ = 1285788. Its totient is φ = 857184.

The previous prime is 1071479. The next prime is 1071487. The reversal of 1071485 is 5841701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5841701 = 23253987.

It can be written as a sum of positive squares in 2 ways, for example, as 573049 + 498436 = 757^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071485 - 28 = 1071229 is a prime.

It is a super-2 number, since 2×10714852 = 2296160210450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107144 + ... + 107153.

It is an arithmetic number, because the mean of its divisors is an integer number (321447).

21071485 is an apocalyptic number.

It is an amenable number.

1071485 is a deficient number, since it is larger than the sum of its proper divisors (214303).

1071485 is an equidigital number, since it uses as much as digits as its factorization.

1071485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214302.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1071485 is about 1035.1255962442. The cubic root of 1071485 is about 102.3282071748.

The spelling of 1071485 in words is "one million, seventy-one thousand, four hundred eighty-five".

Divisors: 1 5 214297 1071485