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58128400 = 24521121201
BaseRepresentation
bin1101110110111…
…1100000010000
311001101020011201
43131233200100
5104340102100
65433520544
71304040361
oct335574020
9131336151
1058128400
112a8a2800
1217573154
13c073105
147a11b68
15518336a
hex376f810

58128400 has 90 divisors (see below), whose sum is σ = 153631226. Its totient is φ = 21120000.

The previous prime is 58128397. The next prime is 58128401. The reversal of 58128400 is 482185.

58128400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 853776 + 57274624 = 924^2 + 7568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58128401) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 47800 + ... + 49000.

Almost surely, 258128400 is an apocalyptic number.

58128400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58128400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76815613).

58128400 is an abundant number, since it is smaller than the sum of its proper divisors (95502826).

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

58128400 is a wasteful number, since it uses less digits than its factorization.

58128400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 58128400 is about 7624.1983185119. The cubic root of 58128400 is about 387.3730975364.

The spelling of 58128400 in words is "fifty-eight million, one hundred twenty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 121 176 200 220 242 275 400 440 484 550 605 880 968 1100 1201 1210 1936 2200 2402 2420 3025 4400 4804 4840 6005 6050 9608 9680 12010 12100 13211 19216 24020 24200 26422 30025 48040 48400 52844 60050 66055 96080 105688 120100 132110 145321 211376 240200 264220 290642 330275 480400 528440 581284 660550 726605 1056880 1162568 1321100 1453210 2325136 2642200 2906420 3633025 5284400 5812840 7266050 11625680 14532100 29064200 58128400