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53812000 = 2553111223
BaseRepresentation
bin1100110101000…
…1101100100000
310202020221012001
43031101230200
5102233441000
65201213344
71222252204
oct315215440
9122227161
1053812000
1128414830
1216031254
13b1c1528
14720ab04
154ace46a
hex3351b20

53812000 has 96 divisors (see below), whose sum is σ = 144353664. Its totient is φ = 19552000.

The previous prime is 53811991. The next prime is 53812091. The reversal of 53812000 is 21835.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43389 + ... + 44611.

It is an arithmetic number, because the mean of its divisors is an integer number (1503684).

Almost surely, 253812000 is an apocalyptic number.

53812000 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 53812000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72176832).

53812000 is an abundant number, since it is smaller than the sum of its proper divisors (90541664).

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

53812000 is a wasteful number, since it uses less digits than its factorization.

53812000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 53812000 is about 7335.6662955726. Note that the first 3 decimals coincide. The cubic root of 53812000 is about 377.5371657632.

Adding to 53812000 its reverse (21835), we get a palindrome (53833835).

It can be divided in two parts, 5381 and 2000, that added together give a triangular number (7381 = T121).

The spelling of 53812000 in words is "fifty-three million, eight hundred twelve thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 125 160 176 200 220 250 275 352 400 440 500 550 800 880 1000 1100 1223 1375 1760 2000 2200 2446 2750 4000 4400 4892 5500 6115 8800 9784 11000 12230 13453 19568 22000 24460 26906 30575 39136 44000 48920 53812 61150 67265 97840 107624 122300 134530 152875 195680 215248 244600 269060 305750 336325 430496 489200 538120 611500 672650 978400 1076240 1223000 1345300 1681625 2152480 2446000 2690600 3363250 4892000 5381200 6726500 10762400 13453000 26906000 53812000