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270213 = 390071
BaseRepresentation
bin1000001111110000101
3111201122220
41001332011
532121323
65442553
72203536
oct1017605
9451586
10270213
11175019
12110459
1395cb8
147068d
15550e3
hex41f85

270213 has 4 divisors (see below), whose sum is σ = 360288. Its totient is φ = 180140.

The previous prime is 270209. The next prime is 270217. The reversal of 270213 is 312072.

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 (270209) and next prime (270217).

It is a cyclic number.

It is not a de Polignac number, because 270213 - 22 = 270209 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 270192 and 270201.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 270213.

It is not an unprimeable number, because it can be changed into a prime (270217) 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, 45033 + ... + 45038.

It is an arithmetic number, because the mean of its divisors is an integer number (90072).

2270213 is an apocalyptic number.

It is an amenable number.

270213 is a deficient number, since it is larger than the sum of its proper divisors (90075).

270213 is an equidigital number, since it uses as much as digits as its factorization.

270213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90074.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 270213 is about 519.8201612096. The cubic root of 270213 is about 64.6500323295.

Adding to 270213 its reverse (312072), we get a palindrome (582285).

The spelling of 270213 in words is "two hundred seventy thousand, two hundred thirteen".

Divisors: 1 3 90071 270213