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53286400 = 295223181
BaseRepresentation
bin1100101101000…
…1011000000000
310201021020012101
43023101120000
5102120131100
65142040144
71214632636
oct313213000
9121236171
1053286400
1128095952
1215a19054
13b06921b
147111356
154a2886a
hex32d1600

53286400 has 120 divisors (see below), whose sum is σ = 138522384. Its totient is φ = 20275200.

The previous prime is 53286397. The next prime is 53286413. The reversal of 53286400 is 468235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294310 + ... + 294490.

Almost surely, 253286400 is an apocalyptic number.

53286400 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 53286400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69261192).

53286400 is an abundant number, since it is smaller than the sum of its proper divisors (85235984).

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

53286400 is a wasteful number, since it uses less digits than its factorization.

53286400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 53286400 is about 7299.7534204931. The cubic root of 53286400 is about 376.3039642541.

The spelling of 53286400 in words is "fifty-three million, two hundred eighty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 32 40 46 50 64 80 92 100 115 128 160 181 184 200 230 256 320 362 368 400 460 512 575 640 724 736 800 905 920 1150 1280 1448 1472 1600 1810 1840 2300 2560 2896 2944 3200 3620 3680 4163 4525 4600 5792 5888 6400 7240 7360 8326 9050 9200 11584 11776 12800 14480 14720 16652 18100 18400 20815 23168 28960 29440 33304 36200 36800 41630 46336 57920 58880 66608 72400 73600 83260 92672 104075 115840 133216 144800 147200 166520 208150 231680 266432 289600 294400 333040 416300 463360 532864 579200 666080 832600 1065728 1158400 1332160 1665200 2131456 2316800 2664320 3330400 5328640 6660800 10657280 13321600 26643200 53286400