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53824400 = 2452747409
BaseRepresentation
bin1100110101010…
…0101110010000
310202021120012022
43031110232100
5102234340100
65201351012
71222333310
oct315245620
9122246168
1053824400
1128423083
1216038468
13b1c7076
147211440
154ad2e85
hex3354b90

53824400 has 120 divisors (see below), whose sum is σ = 151299840. Its totient is φ = 18017280.

The previous prime is 53824399. The next prime is 53824409. The reversal of 53824400 is 442835.

It is a self number, because there is not a number n which added to its sum of digits gives 53824400.

It is not an unprimeable number, because it can be changed into a prime (53824409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131396 + ... + 131804.

It is an arithmetic number, because the mean of its divisors is an integer number (1260832).

Almost surely, 253824400 is an apocalyptic number.

53824400 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 53824400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75649920).

53824400 is an abundant number, since it is smaller than the sum of its proper divisors (97475440).

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

53824400 is a wasteful number, since it uses less digits than its factorization.

53824400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 53824400 is about 7336.5114325543. The cubic root of 53824400 is about 377.5661624016.

It can be divided in two parts, 53824 and 400, that multiplied together give a square (21529600 = 46402).

The spelling of 53824400 in words is "fifty-three million, eight hundred twenty-four thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 47 50 56 70 80 94 100 112 140 175 188 200 235 280 329 350 376 400 409 470 560 658 700 752 818 940 1175 1316 1400 1636 1645 1880 2045 2350 2632 2800 2863 3272 3290 3760 4090 4700 5264 5726 6544 6580 8180 8225 9400 10225 11452 13160 14315 16360 16450 18800 19223 20450 22904 26320 28630 32720 32900 38446 40900 45808 57260 65800 71575 76892 81800 96115 114520 131600 134561 143150 153784 163600 192230 229040 269122 286300 307568 384460 480575 538244 572600 672805 768920 961150 1076488 1145200 1345610 1537840 1922300 2152976 2691220 3364025 3844600 5382440 6728050 7689200 10764880 13456100 26912200 53824400