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58282728 = 2337192312
BaseRepresentation
bin1101111001010…
…1001011101000
311001200001212120
43132111023220
5104410021403
65441111240
71305252330
oct336251350
9131601776
1058282728
112a998749
1217628520
13c0c842a
147a520c0
1551b3e53
hex37952e8

58282728 has 144 divisors (see below), whose sum is σ = 181599840. Its totient is φ = 15266880.

The previous prime is 58282723. The next prime is 58282729. The reversal of 58282728 is 82728285.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 58282728.

It is not an unprimeable number, because it can be changed into a prime (58282723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1880073 + ... + 1880103.

It is an arithmetic number, because the mean of its divisors is an integer number (1261110).

Almost surely, 258282728 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 58282728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90799920).

58282728 is an abundant number, since it is smaller than the sum of its proper divisors (123317112).

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

58282728 is a wasteful number, since it uses less digits than its factorization.

58282728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 62 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 58282728 is about 7634.3125427245. The cubic root of 58282728 is about 387.7156133392.

Multiplying 58282728 by its sum of digits (42), we get a square (2447874576 = 494762).

58282728 divided by its sum of digits (42) gives a square (1387684 = 11782).

The spelling of 58282728 in words is "fifty-eight million, two hundred eighty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 31 38 42 56 57 62 76 84 93 114 124 133 152 168 186 217 228 248 266 361 372 399 434 456 532 589 651 722 744 798 868 961 1064 1083 1178 1302 1444 1596 1736 1767 1922 2166 2356 2527 2604 2883 2888 3192 3534 3844 4123 4332 4712 5054 5208 5766 6727 7068 7581 7688 8246 8664 10108 11191 11532 12369 13454 14136 15162 16492 18259 20181 20216 22382 23064 24738 26908 30324 32984 33573 36518 40362 44764 49476 53816 54777 60648 67146 73036 78337 80724 89528 98952 109554 127813 134292 146072 156674 161448 219108 235011 255626 268584 313348 346921 383439 438216 470022 511252 626696 693842 766878 940044 1022504 1040763 1387684 1533756 1880088 2081526 2428447 2775368 3067512 4163052 4856894 7285341 8326104 9713788 14570682 19427576 29141364 58282728