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53828880 = 243571792
BaseRepresentation
bin1100110101010…
…1110100010000
310202021210100020
43031111310100
5102240011010
65201423440
71222352340
oct315256420
9122253306
1053828880
1128426486
121603ab80
13b1c9111
147212d20
154ad4470
hex3355d10

53828880 has 120 divisors (see below), whose sum is σ = 191779392. Its totient is φ = 12235008.

The previous prime is 53828869. The next prime is 53828897. The reversal of 53828880 is 8882835.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300631 + ... + 300809.

Almost surely, 253828880 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 53828880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95889696).

53828880 is an abundant number, since it is smaller than the sum of its proper divisors (137950512).

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

53828880 is a wasteful number, since it uses less digits than its factorization.

53828880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 53828880 is about 7336.8167484271. The cubic root of 53828880 is about 377.5766375113.

The spelling of 53828880 in words is "fifty-three million, eight hundred twenty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 179 210 240 280 336 358 420 537 560 716 840 895 1074 1253 1432 1680 1790 2148 2506 2685 2864 3580 3759 4296 5012 5370 6265 7160 7518 8592 10024 10740 12530 14320 15036 18795 20048 21480 25060 30072 32041 37590 42960 50120 60144 64082 75180 96123 100240 128164 150360 160205 192246 224287 256328 300720 320410 384492 448574 480615 512656 640820 672861 768984 897148 961230 1121435 1281640 1345722 1537968 1794296 1922460 2242870 2563280 2691444 3364305 3588592 3844920 4485740 5382888 6728610 7689840 8971480 10765776 13457220 17942960 26914440 53828880