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213133341 = 32310512939
BaseRepresentation
bin11001011010000…
…10100000011101
3112212001021222110
430231002200131
5414030231331
633052104233
75165414001
oct1455024035
9485037873
10213133341
11aa343263
125b465079
1335205105
1420440701
1513aa0946
hexcb4281d

213133341 has 16 divisors (see below), whose sum is σ = 296916480. Its totient is φ = 135735600.

The previous prime is 213133337. The next prime is 213133343. The reversal of 213133341 is 143331312.

It is not a de Polignac number, because 213133341 - 22 = 213133337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213133343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71050 + ... + 73988.

It is an arithmetic number, because the mean of its divisors is an integer number (18557280).

Almost surely, 2213133341 is an apocalyptic number.

It is an amenable number.

213133341 is a deficient number, since it is larger than the sum of its proper divisors (83783139).

213133341 is a wasteful number, since it uses less digits than its factorization.

213133341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016.

The product of its digits is 648, while the sum is 21.

The square root of 213133341 is about 14599.0869920006. The cubic root of 213133341 is about 597.3338564568. Note that the first 3 decimals are identical.

Adding to 213133341 its reverse (143331312), we get a palindrome (356464653).

The spelling of 213133341 in words is "two hundred thirteen million, one hundred thirty-three thousand, three hundred forty-one".

Divisors: 1 3 23 69 1051 2939 3153 8817 24173 67597 72519 202791 3088889 9266667 71044447 213133341