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54212312 = 2371188007
BaseRepresentation
bin1100111011001…
…1011011011000
310210000021022102
43032303123120
5102334243222
65213542532
71225540250
oct316633330
9123007272
1054212312
1128668570
12161a4a48
13b3017bb
1472b2960
154b5cd92
hex33b36d8

54212312 has 32 divisors (see below), whose sum is σ = 126731520. Its totient is φ = 21121440.

The previous prime is 54212287. The next prime is 54212317. The reversal of 54212312 is 21321245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54212317) 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, 43388 + ... + 44619.

It is an arithmetic number, because the mean of its divisors is an integer number (3960360).

Almost surely, 254212312 is an apocalyptic number.

It is an amenable number.

54212312 is an abundant number, since it is smaller than the sum of its proper divisors (72519208).

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

54212312 is a wasteful number, since it uses less digits than its factorization.

54212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88031 (or 88027 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 54212312 is about 7362.9010586860. The cubic root of 54212312 is about 378.4710308010.

Adding to 54212312 its reverse (21321245), we get a palindrome (75533557).

The spelling of 54212312 in words is "fifty-four million, two hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 88007 176014 352028 616049 704056 968077 1232098 1936154 2464196 3872308 4928392 6776539 7744616 13553078 27106156 54212312