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54311012 = 2272277097
BaseRepresentation
bin1100111100101…
…1100001100100
310210012021200222
43033023201210
5102400423022
65220023512
71226431100
oct317134144
9123167628
1054311012
1128725738
1216231b98
13b3376c2
1472da900
154b7c242
hex33cb864

54311012 has 18 divisors (see below), whose sum is σ = 110562102. Its totient is φ = 23276064.

The previous prime is 54311011. The next prime is 54311017. The reversal of 54311012 is 21011345.

54311012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34739236 + 19571776 = 5894^2 + 4424^2 .

It is not an unprimeable number, because it can be changed into a prime (54311011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138353 + ... + 138744.

It is an arithmetic number, because the mean of its divisors is an integer number (6142339).

Almost surely, 254311012 is an apocalyptic number.

It is an amenable number.

54311012 is an abundant number, since it is smaller than the sum of its proper divisors (56251090).

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

54311012 is a wasteful number, since it uses less digits than its factorization.

54311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277115 (or 277106 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 54311012 is about 7369.6005319149. The cubic root of 54311012 is about 378.7005754835.

Adding to 54311012 its reverse (21011345), we get a palindrome (75322357).

The spelling of 54311012 in words is "fifty-four million, three hundred eleven thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 277097 554194 1108388 1939679 3879358 7758716 13577753 27155506 54311012