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554243 = 1035381
BaseRepresentation
bin10000111010100000011
31001011021112
42013110003
5120213433
615513535
74465604
oct2072403
91034245
10554243
11349458
122288ab
13165371
14105dab
15ae348
hex87503

554243 has 4 divisors (see below), whose sum is σ = 559728. Its totient is φ = 548760.

The previous prime is 554237. The next prime is 554263. The reversal of 554243 is 342455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342455 = 568491.

It is a cyclic number.

It is not a de Polignac number, because 554243 - 26 = 554179 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 554243.

It is not an unprimeable number, because it can be changed into a prime (554233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (139932).

2554243 is an apocalyptic number.

554243 is a deficient number, since it is larger than the sum of its proper divisors (5485).

554243 is a wasteful number, since it uses less digits than its factorization.

554243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484.

The product of its digits is 2400, while the sum is 23.

The square root of 554243 is about 744.4749827899. The cubic root of 554243 is about 82.1422772846.

Adding to 554243 its reverse (342455), we get a palindrome (896698).

It can be divided in two parts, 554 and 243, that added together give a palindrome (797).

The spelling of 554243 in words is "five hundred fifty-four thousand, two hundred forty-three".

Divisors: 1 103 5381 554243