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54785808 = 243671161
BaseRepresentation
bin1101000011111…
…1011100010000
310211002102000000
43100333130100
5103011121213
65234130000
71233446250
oct320773420
9124072000
1054785808
1128a1a430
1216420900
13b47284c
1473c1960
154c22c73
hex343f710

54785808 has 280 divisors, whose sum is σ = 201671616. Its totient is φ = 13996800.

The previous prime is 54785779. The next prime is 54785831. The reversal of 54785808 is 80858745.

54785808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 898098 + ... + 898158.

Almost surely, 254785808 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 54785808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100835808).

54785808 is an abundant number, since it is smaller than the sum of its proper divisors (146885808).

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

54785808 is a wasteful number, since it uses less digits than its factorization.

54785808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 54785808 is about 7401.7435783739. The cubic root of 54785808 is about 379.8009298960.

The spelling of 54785808 in words is "fifty-four million, seven hundred eighty-five thousand, eight hundred eight".