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538080 = 25351959
BaseRepresentation
bin10000011010111100000
31000100002220
42003113200
5114204310
615311040
74400514
oct2032740
91010086
10538080
113382a4
1221b480
1315abba
14100144
15a9670
hex835e0

538080 has 96 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 133632.

The previous prime is 538079. The next prime is 538093. The reversal of 538080 is 80835.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 538080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9091 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2538080 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 538080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

538080 is an abundant number, since it is smaller than the sum of its proper divisors (1276320).

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

538080 is a wasteful number, since it uses less digits than its factorization.

538080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 538080 is about 733.5393649969. The cubic root of 538080 is about 81.3359012597.

It can be divided in two parts, 5380 and 80, that added together give a triangular number (5460 = T104).

The spelling of 538080 in words is "five hundred thirty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 59 60 76 80 95 96 114 118 120 152 160 177 190 228 236 240 285 295 304 354 380 456 472 480 570 590 608 708 760 885 912 944 1121 1140 1180 1416 1520 1770 1824 1888 2242 2280 2360 2832 3040 3363 3540 4484 4560 4720 5605 5664 6726 7080 8968 9120 9440 11210 13452 14160 16815 17936 22420 26904 28320 33630 35872 44840 53808 67260 89680 107616 134520 179360 269040 538080