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553013213 = 1732530189
BaseRepresentation
bin100000111101100…
…100111111011101
31102112120222111212
4200331210333131
52113032410323
6130512554205
716463351264
oct4075447735
91375528455
10553013213
11264186015
12135252965
138a756b6c
14536355db
153383ab78
hex20f64fdd

553013213 has 4 divisors (see below), whose sum is σ = 585543420. Its totient is φ = 520483008.

The previous prime is 553013177. The next prime is 553013231. The reversal of 553013213 is 312310355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379353529 + 173659684 = 19477^2 + 13178^2 .

It is a cyclic number.

It is not a de Polignac number, because 553013213 - 228 = 284577757 is a prime.

It is a super-2 number, since 2×5530132132 = 611647227505166738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553013273) 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, 16265078 + ... + 16265111.

It is an arithmetic number, because the mean of its divisors is an integer number (146385855).

Almost surely, 2553013213 is an apocalyptic number.

It is an amenable number.

553013213 is a deficient number, since it is larger than the sum of its proper divisors (32530207).

553013213 is a wasteful number, since it uses less digits than its factorization.

553013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32530206.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 553013213 is about 23516.2329678884. The cubic root of 553013213 is about 820.8147825389.

Adding to 553013213 its reverse (312310355), we get a palindrome (865323568).

The spelling of 553013213 in words is "five hundred fifty-three million, thirteen thousand, two hundred thirteen".

Divisors: 1 17 32530189 553013213