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54112380 = 22357196781
BaseRepresentation
bin1100111001101…
…1000001111100
310202211012020020
43032123001330
5102323044010
65211452140
71224643020
oct316330174
9122735206
1054112380
11285aa483
1216157050
13b29817a
147288380
154b3d470
hex339b07c

54112380 has 96 divisors (see below), whose sum is σ = 182300160. Its totient is φ = 11715840.

The previous prime is 54112367. The next prime is 54112403. The reversal of 54112380 is 8321145.

It is a self number, because there is not a number n which added to its sum of digits gives 54112380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4590 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (1898960).

Almost surely, 254112380 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 54112380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91150080).

54112380 is an abundant number, since it is smaller than the sum of its proper divisors (128187780).

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

54112380 is a wasteful number, since it uses less digits than its factorization.

54112380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819 (or 6817 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 54112380 is about 7356.1117446651. Note that the first 3 decimals coincide. The cubic root of 54112380 is about 378.2383368565.

It can be divided in two parts, 541 and 12380, that added together give a palindrome (12921).

The spelling of 54112380 in words is "fifty-four million, one hundred twelve thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 57 60 70 76 84 95 105 114 133 140 190 210 228 266 285 380 399 420 532 570 665 798 1140 1330 1596 1995 2660 3990 6781 7980 13562 20343 27124 33905 40686 47467 67810 81372 94934 101715 128839 135620 142401 189868 203430 237335 257678 284802 386517 406860 474670 515356 569604 644195 712005 773034 901873 949340 1288390 1424010 1546068 1803746 1932585 2576780 2705619 2848020 3607492 3865170 4509365 5411238 7730340 9018730 10822476 13528095 18037460 27056190 54112380