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54512012 = 2231439613
BaseRepresentation
bin1100111111110…
…0100110001100
310210120111102102
43033330212030
5102423341022
65224214232
71231226102
oct317744614
9123514372
1054512012
1128852755
121630a378
13b3a8039
14734dc72
154bbba92
hex33fc98c

54512012 has 12 divisors (see below), whose sum is σ = 98473536. Its totient is φ = 26376720.

The previous prime is 54512011. The next prime is 54512021. The reversal of 54512012 is 21021545.

It is not an unprimeable number, because it can be changed into a prime (54512011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219683 + ... + 219930.

It is an arithmetic number, because the mean of its divisors is an integer number (8206128).

Almost surely, 254512012 is an apocalyptic number.

It is an amenable number.

54512012 is a deficient number, since it is larger than the sum of its proper divisors (43961524).

54512012 is a wasteful number, since it uses less digits than its factorization.

54512012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439648 (or 439646 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 54512012 is about 7383.2250405903. The cubic root of 54512012 is about 379.1671788639.

Adding to 54512012 its reverse (21021545), we get a palindrome (75533557).

The spelling of 54512012 in words is "fifty-four million, five hundred twelve thousand, twelve".

Divisors: 1 2 4 31 62 124 439613 879226 1758452 13628003 27256006 54512012