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54308780 = 2252715439
BaseRepresentation
bin1100111100101…
…0111110101100
310210012011122022
43033022332230
5102400340110
65220005312
71226421431
oct317127654
9123164568
1054308780
1128723a99
1216230838
13b336696
1472d9b88
154b7b755
hex33cafac

54308780 has 12 divisors (see below), whose sum is σ = 114048480. Its totient is φ = 21723504.

The previous prime is 54308777. The next prime is 54308803. The reversal of 54308780 is 8780345.

It is a self number, because there is not a number n which added to its sum of digits gives 54308780.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357700 + ... + 1357739.

It is an arithmetic number, because the mean of its divisors is an integer number (9504040).

Almost surely, 254308780 is an apocalyptic number.

It is an amenable number.

54308780 is an abundant number, since it is smaller than the sum of its proper divisors (59739700).

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

54308780 is a wasteful number, since it uses less digits than its factorization.

54308780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715448 (or 2715446 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 54308780 is about 7369.4490974563. The cubic root of 54308780 is about 378.6953876389.

The spelling of 54308780 in words is "fifty-four million, three hundred eight thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 2715439 5430878 10861756 13577195 27154390 54308780