Search a number
-
+
54511340 = 22513209659
BaseRepresentation
bin1100111111110…
…0011011101100
310210120110111112
43033330123230
5102423330330
65224211152
71231224122
oct317743354
9123513445
1054511340
11288521a4
1216309ab8
13b3a7940
14734d912
154bbb795
hex33fc6ec

54511340 has 24 divisors (see below), whose sum is σ = 123280080. Its totient is φ = 20127168.

The previous prime is 54511337. The next prime is 54511351. The reversal of 54511340 is 4311545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104570 + ... + 105089.

It is an arithmetic number, because the mean of its divisors is an integer number (5136670).

Almost surely, 254511340 is an apocalyptic number.

It is an amenable number.

54511340 is an abundant number, since it is smaller than the sum of its proper divisors (68768740).

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

54511340 is a wasteful number, since it uses less digits than its factorization.

54511340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209681 (or 209679 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 54511340 is about 7383.1795318819. The cubic root of 54511340 is about 379.1656207890.

Adding to 54511340 its reverse (4311545), we get a palindrome (58822885).

The spelling of 54511340 in words is "fifty-four million, five hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 209659 419318 838636 1048295 2096590 2725567 4193180 5451134 10902268 13627835 27255670 54511340