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553342231 = 13172147283
BaseRepresentation
bin100000111110110…
…101010100010111
31102120012200211201
4200332311110113
52113123422411
6130524013331
716466221441
oct4076652427
91376180751
10553342231
11264390232
12135391247
138a840850
14536bd491
15338a33c1
hex20fb5517

553342231 has 12 divisors (see below), whose sum is σ = 633026632. Its totient is φ = 480728448.

The previous prime is 553342217. The next prime is 553342241. The reversal of 553342231 is 132243355.

It is not a de Polignac number, because 553342231 - 217 = 553211159 is a prime.

It is a super-2 number, since 2×5533422312 = 612375249216114722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553342231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553342201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69885 + ... + 77398.

Almost surely, 2553342231 is an apocalyptic number.

553342231 is a deficient number, since it is larger than the sum of its proper divisors (79684401).

553342231 is a wasteful number, since it uses less digits than its factorization.

553342231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147330 (or 147313 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 553342231 is about 23523.2274783882. The cubic root of 553342231 is about 820.9775328982.

Adding to 553342231 its reverse (132243355), we get a palindrome (685585586).

The spelling of 553342231 in words is "five hundred fifty-three million, three hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 13 17 221 289 3757 147283 1914679 2503811 32549543 42564787 553342231