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213286967 = 2916345121
BaseRepresentation
bin11001011011010…
…00000000110111
3112212100002201022
430231220000313
5414100140332
633055251355
75166623615
oct1455500067
9485302638
10213286967
11aa438723
125b519b5b
133525a00a
14204806b5
1513ad1212
hexcb68037

213286967 has 8 divisors (see below), whose sum is σ = 222000240. Its totient is φ = 204664320.

The previous prime is 213286939. The next prime is 213286991. The reversal of 213286967 is 769682312.

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

It is a cyclic number.

It is not a de Polignac number, because 213286967 - 220 = 212238391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213286067) 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, 17834 + ... + 27287.

It is an arithmetic number, because the mean of its divisors is an integer number (27750030).

Almost surely, 2213286967 is an apocalyptic number.

213286967 is a deficient number, since it is larger than the sum of its proper divisors (8713273).

213286967 is a wasteful number, since it uses less digits than its factorization.

213286967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45313.

The product of its digits is 217728, while the sum is 44.

The square root of 213286967 is about 14604.3475376341. The cubic root of 213286967 is about 597.4773409239.

The spelling of 213286967 in words is "two hundred thirteen million, two hundred eighty-six thousand, nine hundred sixty-seven".

Divisors: 1 29 163 4727 45121 1308509 7354723 213286967