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213260613 = 3333121341
BaseRepresentation
bin11001011011000…
…01100101000101
3112212021202120020
430231201211011
5414043314423
633054525353
75166454026
oct1455414505
9485252506
10213260613
11aa41a945
125b506859
133524b017
1420474c4d
1513ac84e3
hexcb61945

213260613 has 8 divisors (see below), whose sum is σ = 284446176. Its totient is φ = 142124400.

The previous prime is 213260609. The next prime is 213260627. The reversal of 213260613 is 316062312.

It is a happy number.

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

It is not a de Polignac number, because 213260613 - 22 = 213260609 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213260683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 20663.

It is an arithmetic number, because the mean of its divisors is an integer number (35555772).

Almost surely, 2213260613 is an apocalyptic number.

It is an amenable number.

213260613 is a deficient number, since it is larger than the sum of its proper divisors (71185563).

213260613 is a wasteful number, since it uses less digits than its factorization.

213260613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24675.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 213260613 is about 14603.4452441881. The cubic root of 213260613 is about 597.4527315653.

The spelling of 213260613 in words is "two hundred thirteen million, two hundred sixty thousand, six hundred thirteen".

Divisors: 1 3 3331 9993 21341 64023 71086871 213260613