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554135231 = 13193220859
BaseRepresentation
bin100001000001110…
…110111010111111
31102121200222122002
4201001312322333
52113324311411
6130553012515
716506033416
oct4101667277
91377628562
10554135231
11264882001
121356b413b
138aa5a790
145384847d
15339ad33b
hex21076ebf

554135231 has 8 divisors (see below), whose sum is σ = 599855760. Its totient is φ = 508856832.

The previous prime is 554135227. The next prime is 554135269. The reversal of 554135231 is 132531455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 554135231 - 22 = 554135227 is a prime.

It is a super-2 number, since 2×5541352312 = 614131708470846722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554135194 and 554135203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554135291) by changing a digit.

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, 107921 + ... + 112938.

It is an arithmetic number, because the mean of its divisors is an integer number (74981970).

Almost surely, 2554135231 is an apocalyptic number.

554135231 is a deficient number, since it is larger than the sum of its proper divisors (45720529).

554135231 is a wasteful number, since it uses less digits than its factorization.

554135231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221065.

The product of its digits is 9000, while the sum is 29.

The square root of 554135231 is about 23540.0771239178. The cubic root of 554135231 is about 821.3695292632.

Adding to 554135231 its reverse (132531455), we get a palindrome (686666686).

The spelling of 554135231 in words is "five hundred fifty-four million, one hundred thirty-five thousand, two hundred thirty-one".

Divisors: 1 13 193 2509 220859 2871167 42625787 554135231