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54126720 = 273259397
BaseRepresentation
bin1100111001111…
…0100010000000
310202211220220100
43032132202000
5102324023340
65212042400
71225032564
oct316364200
9122756810
1054126720
112860a22a
1216163400
13b2a185b
14728d6a4
154b42830
hex339e880

54126720 has 96 divisors (see below), whose sum is σ = 186926220. Its totient is φ = 14432256.

The previous prime is 54126689. The next prime is 54126749. The reversal of 54126720 is 2762145.

It can be written as a sum of positive squares in 2 ways, for example, as 44836416 + 9290304 = 6696^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1062 + ... + 10458.

Almost surely, 254126720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54126720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93463110).

54126720 is an abundant number, since it is smaller than the sum of its proper divisors (132799500).

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

54126720 is a wasteful number, since it uses less digits than its factorization.

54126720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422 (or 9407 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 54126720 is about 7357.0863798110. The cubic root of 54126720 is about 378.2717454696.

Adding to 54126720 its reverse (2762145), we get a palindrome (56888865).

It can be divided in two parts, 541 and 26720, that added together give a triangular number (27261 = T233).

The spelling of 54126720 in words is "fifty-four million, one hundred twenty-six thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 2880 5760 9397 18794 28191 37588 46985 56382 75176 84573 93970 112764 140955 150352 169146 187940 225528 281910 300704 338292 375880 422865 451056 563820 601408 676584 751760 845730 902112 1127640 1202816 1353168 1503520 1691460 1804224 2255280 2706336 3007040 3382920 3608448 4510560 5412672 6014080 6765840 9021120 10825344 13531680 18042240 27063360 54126720