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52783080 = 23357312027
BaseRepresentation
bin1100100101011…
…0011111101000
310200022122202220
43021112133220
5102003024310
65123154040
71210435350
oct311263750
9120278686
1052783080
1127881789
1215815920
13ac210bc
14701db60
154979670
hex32567e8

52783080 has 128 divisors (see below), whose sum is σ = 186900480. Its totient is φ = 11669760.

The previous prime is 52783067. The next prime is 52783099. The reversal of 52783080 is 8038725.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25027 + ... + 27053.

It is an arithmetic number, because the mean of its divisors is an integer number (1460160).

Almost surely, 252783080 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 52783080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93450240).

52783080 is an abundant number, since it is smaller than the sum of its proper divisors (134117400).

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

52783080 is a wasteful number, since it uses less digits than its factorization.

52783080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 52783080 is about 7265.1964873636. The cubic root of 52783080 is about 375.1154133646.

The spelling of 52783080 in words is "fifty-two million, seven hundred eighty-three thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 31 35 40 42 56 60 62 70 84 93 105 120 124 140 155 168 186 210 217 248 280 310 372 420 434 465 620 651 744 840 868 930 1085 1240 1302 1736 1860 2027 2170 2604 3255 3720 4054 4340 5208 6081 6510 8108 8680 10135 12162 13020 14189 16216 20270 24324 26040 28378 30405 40540 42567 48648 56756 60810 62837 70945 81080 85134 113512 121620 125674 141890 170268 188511 212835 243240 251348 283780 314185 340536 377022 425670 439859 502696 567560 628370 754044 851340 879718 942555 1256740 1319577 1508088 1702680 1759436 1885110 2199295 2513480 2639154 3518872 3770220 4398590 5278308 6597885 7540440 8797180 10556616 13195770 17594360 26391540 52783080