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255030213 = 385010071
BaseRepresentation
bin11110011001101…
…11001111000101
3122202212212200110
433030313033011
51010241431323
641150103233
76214502214
oct1714671705
9582785613
10255030213
11120a59a79
12714aab19
1340ab4169
1425c2907b
15175c9793
hexf3373c5

255030213 has 4 divisors (see below), whose sum is σ = 340040288. Its totient is φ = 170020140.

The previous prime is 255030197. The next prime is 255030229. The reversal of 255030213 is 312030552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (255030197) and next prime (255030229).

It is not a de Polignac number, because 255030213 - 24 = 255030197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255030213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255030283) 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 3 ways as a sum of consecutive naturals, for example, 42505033 + ... + 42505038.

It is an arithmetic number, because the mean of its divisors is an integer number (85010072).

Almost surely, 2255030213 is an apocalyptic number.

It is an amenable number.

255030213 is a deficient number, since it is larger than the sum of its proper divisors (85010075).

255030213 is an equidigital number, since it uses as much as digits as its factorization.

255030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85010074.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 255030213 is about 15969.6654003771. The cubic root of 255030213 is about 634.1576140558.

Adding to 255030213 its reverse (312030552), we get a palindrome (567060765).

The spelling of 255030213 in words is "two hundred fifty-five million, thirty thousand, two hundred thirteen".

Divisors: 1 3 85010071 255030213