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54211212 = 223211136897
BaseRepresentation
bin1100111011001…
…1001010001100
310210000012210200
43032303022030
5102334224322
65213533500
71225534116
oct316631214
9123005720
1054211212
1128667760
12161a4290
13b301153
1472b23b6
154b5c8ac
hex33b328c

54211212 has 36 divisors (see below), whose sum is σ = 149492616. Its totient is φ = 16427520.

The previous prime is 54211177. The next prime is 54211273. The reversal of 54211212 is 21211245.

54211212 is a `hidden beast` number, since 542 + 1 + 121 + 2 = 666.

54211212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 68053 + ... + 68844.

Almost surely, 254211212 is an apocalyptic number.

It is an amenable number.

54211212 is an abundant number, since it is smaller than the sum of its proper divisors (95281404).

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

54211212 is a wasteful number, since it uses less digits than its factorization.

54211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136918 (or 136913 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 54211212 is about 7362.8263594899. The cubic root of 54211212 is about 378.4684709830.

Adding to 54211212 its reverse (21211245), we get a palindrome (75422457).

The spelling of 54211212 in words is "fifty-four million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 136897 273794 410691 547588 821382 1232073 1505867 1642764 2464146 3011734 4517601 4928292 6023468 9035202 13552803 18070404 27105606 54211212