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54423012 = 2237647893
BaseRepresentation
bin1100111110011…
…0110111100100
310210101222100010
43033212313210
5102413014022
65222250220
71230405450
oct317466744
9123358303
1054423012
11287a18a6
1216286970
13b376687
147329660
154ba050c
hex33e6de4

54423012 has 24 divisors (see below), whose sum is σ = 145128256. Its totient is φ = 15549408.

The previous prime is 54423007. The next prime is 54423029. The reversal of 54423012 is 21032445.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 54423012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323863 + ... + 324030.

Almost surely, 254423012 is an apocalyptic number.

It is an amenable number.

54423012 is an abundant number, since it is smaller than the sum of its proper divisors (90705244).

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

54423012 is a wasteful number, since it uses less digits than its factorization.

54423012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647907 (or 647905 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54423012 is about 7377.1954020481. The cubic root of 54423012 is about 378.9607151285.

Adding to 54423012 its reverse (21032445), we get a palindrome (75455457).

The spelling of 54423012 in words is "fifty-four million, four hundred twenty-three thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 647893 1295786 1943679 2591572 3887358 4535251 7774716 9070502 13605753 18141004 27211506 54423012