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213242335 = 5311375757
BaseRepresentation
bin11001011010111…
…01000111011111
3112212020211111021
430231131013133
5414042223320
633054305011
75166346525
oct1455350737
9485224437
10213242335
11aa408139
125b4b8167
13352428c7
142046c315
1513ac2daa
hexcb5d1df

213242335 has 8 divisors (see below), whose sum is σ = 264145536. Its totient is φ = 165090720.

The previous prime is 213242329. The next prime is 213242347. The reversal of 213242335 is 533242312.

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

It is not a de Polignac number, because 213242335 - 217 = 213111263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687724 + ... + 688033.

It is an arithmetic number, because the mean of its divisors is an integer number (33018192).

Almost surely, 2213242335 is an apocalyptic number.

213242335 is a deficient number, since it is larger than the sum of its proper divisors (50903201).

213242335 is a wasteful number, since it uses less digits than its factorization.

213242335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375793.

The product of its digits is 4320, while the sum is 25.

The square root of 213242335 is about 14602.8194195505. The cubic root of 213242335 is about 597.4356623827.

Adding to 213242335 its reverse (533242312), we get a palindrome (746484647).

The spelling of 213242335 in words is "two hundred thirteen million, two hundred forty-two thousand, three hundred thirty-five".

Divisors: 1 5 31 155 1375757 6878785 42648467 213242335