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54081900 = 22325260091
BaseRepresentation
bin1100111001001…
…1100101101100
310202202122102100
43032103211230
5102321110100
65211055100
71224455115
oct316234554
9122678370
1054081900
1128589594
1216141490
13b287332
14727b20c
154b34400
hex339396c

54081900 has 54 divisors (see below), whose sum is σ = 169519532. Its totient is φ = 14421600.

The previous prime is 54081877. The next prime is 54081919. The reversal of 54081900 is 918045.

It is a super-2 number, since 2×540819002 = 5849703815220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29146 + ... + 30945.

Almost surely, 254081900 is an apocalyptic number.

54081900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54081900 is an abundant number, since it is smaller than the sum of its proper divisors (115437632).

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

54081900 is a wasteful number, since it uses less digits than its factorization.

54081900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60111 (or 60101 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 54081900 is about 7354.0397061751. The cubic root of 54081900 is about 378.1673064701.

Adding to 54081900 its reverse (918045), we get a palindrome (54999945).

The spelling of 54081900 in words is "fifty-four million, eighty-one thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 60091 120182 180273 240364 300455 360546 540819 600910 721092 901365 1081638 1201820 1502275 1802730 2163276 2704095 3004550 3605460 4506825 5408190 6009100 9013650 10816380 13520475 18027300 27040950 54081900