Search a number
-
+
54430001 = 411327561
BaseRepresentation
bin1100111110100…
…0100100110001
310210102022220222
43033220210301
5102413230001
65222342425
71230435023
oct317504461
9123368828
1054430001
11287a707a
121628aa15
13b379902
14732c013
154ba261b
hex33e8931

54430001 has 4 divisors (see below), whose sum is σ = 55757604. Its totient is φ = 53102400.

The previous prime is 54429979. The next prime is 54430027. The reversal of 54430001 is 10003445.

54430001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10003445 = 52000689.

It can be written as a sum of positive squares in 2 ways, for example, as 22800625 + 31629376 = 4775^2 + 5624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54430001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54430031) 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 3 ways as a sum of consecutive naturals, for example, 663740 + ... + 663821.

It is an arithmetic number, because the mean of its divisors is an integer number (13939401).

Almost surely, 254430001 is an apocalyptic number.

It is an amenable number.

54430001 is a deficient number, since it is larger than the sum of its proper divisors (1327603).

54430001 is a wasteful number, since it uses less digits than its factorization.

54430001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327602.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 54430001 is about 7377.6690763411. The cubic root of 54430001 is about 378.9769364717.

Adding to 54430001 its reverse (10003445), we get a palindrome (64433446).

The spelling of 54430001 in words is "fifty-four million, four hundred thirty thousand, one".

Divisors: 1 41 1327561 54430001