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545422 = 22371167
BaseRepresentation
bin10000101001010001110
31000201011211
42011022032
5114423142
615405034
74431103
oct2051216
91021154
10545422
11342869
1222377a
13161347
14102aaa
15ab917
hex8528e

545422 has 16 divisors (see below), whose sum is σ = 870912. Its totient is φ = 255640.

The previous prime is 545387. The next prime is 545429. The reversal of 545422 is 224545.

It is a d-powerful number, because it can be written as 52 + 4 + 46 + 54 + 214 + 219 .

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 545393 and 545402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545429) 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, 3183 + ... + 3349.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2545422 is an apocalyptic number.

545422 is a deficient number, since it is larger than the sum of its proper divisors (325490).

545422 is a wasteful number, since it uses less digits than its factorization.

545422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263.

The product of its digits is 1600, while the sum is 22.

The square root of 545422 is about 738.5269121704. The cubic root of 545422 is about 81.7041689945.

Adding to 545422 its reverse (224545), we get a palindrome (769967).

It can be divided in two parts, 5454 and 22, that added together give a square (5476 = 742).

The spelling of 545422 in words is "five hundred forty-five thousand, four hundred twenty-two".

Divisors: 1 2 23 46 71 142 167 334 1633 3266 3841 7682 11857 23714 272711 545422