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545479 = 11172917
BaseRepresentation
bin10000101001011000111
31000201020221
42011023013
5114423404
615405211
74431214
oct2051307
91021227
10545479
11342910
12223807
1316138c
14102b0b
15ab954
hex852c7

545479 has 8 divisors (see below), whose sum is σ = 630288. Its totient is φ = 466560.

The previous prime is 545477. The next prime is 545483. The reversal of 545479 is 974545.

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 545479 - 21 = 545477 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 (545473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (78786).

2545479 is an apocalyptic number.

545479 is a deficient number, since it is larger than the sum of its proper divisors (84809).

545479 is a wasteful number, since it uses less digits than its factorization.

545479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945.

The product of its digits is 25200, while the sum is 34.

The square root of 545479 is about 738.5655014960. The cubic root of 545479 is about 81.7070150938.

It can be divided in two parts, 545 and 479, that added together give a 10-th power (1024 = 210).

The spelling of 545479 in words is "five hundred forty-five thousand, four hundred seventy-nine".

Divisors: 1 11 17 187 2917 32087 49589 545479