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544530420 = 223257432167
BaseRepresentation
bin100000011101001…
…101111111110100
31101221122000022100
4200131031333310
52103344433140
6130011102100
716331301150
oct4035157764
91357560270
10544530420
1125a411845
12132441930
1388a76a65
1452468060
1532c12530
hex2074dff4

544530420 has 72 divisors (see below), whose sum is σ = 1887709824. Its totient is φ = 124463808.

The previous prime is 544530403. The next prime is 544530421. The reversal of 544530420 is 24035445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544530421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214824 + ... + 217343.

It is an arithmetic number, because the mean of its divisors is an integer number (26218192).

Almost surely, 2544530420 is an apocalyptic number.

It is an amenable number.

544530420 is an abundant number, since it is smaller than the sum of its proper divisors (1343179404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544530420 is a wasteful number, since it uses less digits than its factorization.

544530420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432189 (or 432184 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 544530420 is about 23335.1755939397. The cubic root of 544530420 is about 816.5962517844.

Adding to 544530420 its reverse (24035445), we get a palindrome (568565865).

It can be divided in two parts, 5445 and 30420, that multiplied together give a square (165636900 = 128702).

The spelling of 544530420 in words is "five hundred forty-four million, five hundred thirty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 432167 864334 1296501 1728668 2160835 2593002 3025169 3889503 4321670 5186004 6050338 6482505 7779006 8643340 9075507 12100676 12965010 15125845 15558012 18151014 19447515 25930020 27226521 30251690 36302028 38895030 45377535 54453042 60503380 77790060 90755070 108906084 136132605 181510140 272265210 544530420