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18053000 = 235372579
BaseRepresentation
bin100010011011…
…1011110001000
31020222012001122
41010313132020
514110144000
61442534412
7306306440
oct104673610
936865048
1018053000
11a210539
126067408
133981164
14257d120
1518b9085
hex1137788

18053000 has 64 divisors (see below), whose sum is σ = 48297600. Its totient is φ = 6187200.

The previous prime is 18052987. The next prime is 18053017. The reversal of 18053000 is 35081.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 18053000.

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, 5711 + ... + 8289.

It is an arithmetic number, because the mean of its divisors is an integer number (754650).

Almost surely, 218053000 is an apocalyptic number.

18053000 is a gapful number since it is divisible by the number (10) 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 18053000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24148800).

18053000 is an abundant number, since it is smaller than the sum of its proper divisors (30244600).

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

18053000 is a wasteful number, since it uses less digits than its factorization.

18053000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 18053000 is about 4248.8822059455. The cubic root of 18053000 is about 262.3311082901.

Adding to 18053000 its reverse (35081), we get a palindrome (18088081).

The spelling of 18053000 in words is "eighteen million, fifty-three thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 2579 3500 5158 7000 10316 12895 18053 20632 25790 36106 51580 64475 72212 90265 103160 128950 144424 180530 257900 322375 361060 451325 515800 644750 722120 902650 1289500 1805300 2256625 2579000 3610600 4513250 9026500 18053000