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54248904 = 233217234147
BaseRepresentation
bin1100111011110…
…0010111001000
310210002010111200
43032330113020
5102341431104
65214424200
71226052033
oct316742710
9123063450
1054248904
1128693006
1216202060
13b315358
1472c201a
154b68b39
hex33bc5c8

54248904 has 192 divisors, whose sum is σ = 169827840. Its totient is φ = 15544320.

The previous prime is 54248903. The next prime is 54248959. The reversal of 54248904 is 40984245.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54248903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1154209 + ... + 1154255.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 254248904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54248904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

54248904 is an abundant number, since it is smaller than the sum of its proper divisors (115578936).

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

54248904 is a wasteful number, since it uses less digits than its factorization.

54248904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 54248904 is about 7365.3855296244. The cubic root of 54248904 is about 378.5561645815.

The spelling of 54248904 in words is "fifty-four million, two hundred forty-eight thousand, nine hundred four".