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54745380 = 22325319811
BaseRepresentation
bin1101000011010…
…1100100100100
310211000100112200
43100311210210
5103003323010
65233214500
71233220344
oct320654444
9124010480
1054745380
11289a2018
1216401430
13b45a321
1473b0d24
154c15cc0
hex3435924

54745380 has 72 divisors (see below), whose sum is σ = 171435264. Its totient is φ = 14126400.

The previous prime is 54745367. The next prime is 54745387. The reversal of 54745380 is 8354745.

54745380 is a `hidden beast` number, since 54 + 74 + 538 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (54745387) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 675 + ... + 10485.

Almost surely, 254745380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54745380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85717632).

54745380 is an abundant number, since it is smaller than the sum of its proper divisors (116689884).

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

54745380 is a wasteful number, since it uses less digits than its factorization.

54745380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9857 (or 9852 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 54745380 is about 7399.0120962193. The cubic root of 54745380 is about 379.7074849512.

The spelling of 54745380 in words is "fifty-four million, seven hundred forty-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1860 2790 5580 9811 19622 29433 39244 49055 58866 88299 98110 117732 147165 176598 196220 294330 304141 353196 441495 588660 608282 882990 912423 1216564 1520705 1765980 1824846 2737269 3041410 3649692 4562115 5474538 6082820 9124230 10949076 13686345 18248460 27372690 54745380