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54303858 = 234726841
BaseRepresentation
bin1100111100100…
…1110001110010
310210011220220000
43033021301302
5102400210413
65215530430
71226401200
oct317116162
9123156800
1054303858
1128720324
1216229a16
13b33437b
1472d8070
154b7a073
hex33c9c72

54303858 has 60 divisors (see below), whose sum is σ = 141567822. Its totient is φ = 15513120.

The previous prime is 54303841. The next prime is 54303859. The reversal of 54303858 is 85830345.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 13816089 = 6363^2 + 3717^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54303859) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4518 + ... + 11358.

Almost surely, 254303858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54303858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70783911).

54303858 is an abundant number, since it is smaller than the sum of its proper divisors (87263964).

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

54303858 is a wasteful number, since it uses less digits than its factorization.

54303858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6869 (or 6853 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 54303858 is about 7369.1151436248. The cubic root of 54303858 is about 378.6839469166.

The spelling of 54303858 in words is "fifty-four million, three hundred three thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 294 378 441 567 882 1134 1323 2646 3969 6841 7938 13682 20523 41046 47887 61569 95774 123138 143661 184707 287322 335209 369414 430983 554121 670418 861966 1005627 1108242 1292949 2011254 2585898 3016881 3878847 6033762 7757694 9050643 18101286 27151929 54303858