Search a number
-
+
54481158 = 23217237741
BaseRepresentation
bin1100111111010…
…1000100000110
310210111221002200
43033311010012
5102421344113
65223415330
71231040124
oct317650406
9123457080
1054481158
1128831556
12162b4546
13b396c94
147342914
154bb2873
hex33f5106

54481158 has 48 divisors (see below), whose sum is σ = 130437216. Its totient is φ = 16346880.

The previous prime is 54481157. The next prime is 54481159. The reversal of 54481158 is 85118445.

54481158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54481157) and next prime (54481159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54481153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3168 + ... + 10908.

It is an arithmetic number, because the mean of its divisors is an integer number (2717442).

Almost surely, 254481158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54481158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65218608).

54481158 is an abundant number, since it is smaller than the sum of its proper divisors (75956058).

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

54481158 is a wasteful number, since it uses less digits than its factorization.

54481158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789 (or 7786 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 54481158 is about 7381.1352785327. The cubic root of 54481158 is about 379.0956286887.

The spelling of 54481158 in words is "fifty-four million, four hundred eighty-one thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 9 17 18 23 34 46 51 69 102 138 153 207 306 391 414 782 1173 2346 3519 7038 7741 15482 23223 46446 69669 131597 139338 178043 263194 356086 394791 534129 789582 1068258 1184373 1602387 2368746 3026731 3204774 6053462 9080193 18160386 27240579 54481158