Search a number
-
+
54450144 = 253473001
BaseRepresentation
bin1100111110110…
…1011111100000
310210110100120000
43033231133200
5102414401034
65223020000
71230550530
oct317553740
9123410500
1054450144
1128810221
121629a600
13b385b28
1473354c0
154ba8599
hex33ed7e0

54450144 has 120 divisors (see below), whose sum is σ = 183073968. Its totient is φ = 15552000.

The previous prime is 54450127. The next prime is 54450157. The reversal of 54450144 is 44105445.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16644 + ... + 19644.

Almost surely, 254450144 is an apocalyptic number.

54450144 is a gapful number since it is divisible by the number (54) 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 54450144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91536984).

54450144 is an abundant number, since it is smaller than the sum of its proper divisors (128623824).

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

54450144 is a wasteful number, since it uses less digits than its factorization.

54450144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 54450144 is about 7379.0340831304. The cubic root of 54450144 is about 379.0236802454.

Adding to 54450144 its reverse (44105445), we get a palindrome (98555589).

The spelling of 54450144 in words is "fifty-four million, four hundred fifty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 252 288 324 336 378 432 504 567 648 672 756 864 1008 1134 1296 1512 2016 2268 2592 3001 3024 4536 6002 6048 9003 9072 12004 18006 18144 21007 24008 27009 36012 42014 48016 54018 63021 72024 81027 84028 96032 108036 126042 144048 162054 168056 189063 216072 243081 252084 288096 324108 336112 378126 432144 486162 504168 567189 648216 672224 756252 864288 972324 1008336 1134378 1296432 1512504 1701567 1944648 2016672 2268756 2592864 3025008 3403134 3889296 4537512 6050016 6806268 7778592 9075024 13612536 18150048 27225072 54450144