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1485389 = 4136229
BaseRepresentation
bin101101010101001001101
32210110120102
411222221031
5340013024
651500445
715424403
oct5525115
92713512
101485389
11924aa4
125b7725
13400139
142a9473
151e51ae
hex16aa4d

1485389 has 4 divisors (see below), whose sum is σ = 1521660. Its totient is φ = 1449120.

The previous prime is 1485383. The next prime is 1485397. The reversal of 1485389 is 9835841.

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 366025 + 1119364 = 605^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485389 - 24 = 1485373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485383) 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, 18074 + ... + 18155.

It is an arithmetic number, because the mean of its divisors is an integer number (380415).

21485389 is an apocalyptic number.

It is an amenable number.

1485389 is a deficient number, since it is larger than the sum of its proper divisors (36271).

1485389 is an equidigital number, since it uses as much as digits as its factorization.

1485389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36270.

The product of its digits is 34560, while the sum is 38.

The square root of 1485389 is about 1218.7653588776. The cubic root of 1485389 is about 114.0985348959.

The spelling of 1485389 in words is "one million, four hundred eighty-five thousand, three hundred eighty-nine".

Divisors: 1 41 36229 1485389