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5430243 = 371319891
BaseRepresentation
bin10100101101101111100011
3101012212220010
4110231233203
52342231433
6312220003
764104420
oct24555743
911185803
105430243
113079905
12199a603
131181880
14a14d47
15723e63
hex52dbe3

5430243 has 16 divisors (see below), whose sum is σ = 8911616. Its totient is φ = 2864160.

The previous prime is 5430241. The next prime is 5430247. The reversal of 5430243 is 3420345.

It is a happy number.

5430243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5430243 - 21 = 5430241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (5430241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9673 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (556976).

Almost surely, 25430243 is an apocalyptic number.

5430243 is a deficient number, since it is larger than the sum of its proper divisors (3481373).

5430243 is a wasteful number, since it uses less digits than its factorization.

5430243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19914.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 5430243 is about 2330.2881796035. The cubic root of 5430243 is about 175.7679772280.

Adding to 5430243 its reverse (3420345), we get a palindrome (8850588).

It can be divided in two parts, 54302 and 43, that added together give a palindrome (54345).

The spelling of 5430243 in words is "five million, four hundred thirty thousand, two hundred forty-three".

Divisors: 1 3 7 13 21 39 91 273 19891 59673 139237 258583 417711 775749 1810081 5430243