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213401330 = 2546346091
BaseRepresentation
bin11001011100000…
…11111011110010
3112212112220120222
430232003323302
5414112320310
633101533042
75200611212
oct1456037362
9485486528
10213401330
11aa50663a
125b574182
133529a09c
14204b0242
1513b05055
hexcb83ef2

213401330 has 16 divisors (see below), whose sum is σ = 384960384. Its totient is φ = 85174320.

The previous prime is 213401317. The next prime is 213401333. The reversal of 213401330 is 33104312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213401299 and 213401308.

It is not an unprimeable number, because it can be changed into a prime (213401333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18416 + ... + 27675.

It is an arithmetic number, because the mean of its divisors is an integer number (24060024).

Almost surely, 2213401330 is an apocalyptic number.

213401330 is a deficient number, since it is larger than the sum of its proper divisors (171559054).

213401330 is a wasteful number, since it uses less digits than its factorization.

213401330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46561.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213401330 is about 14608.2623881145. The cubic root of 213401330 is about 597.5841095859.

Adding to 213401330 its reverse (33104312), we get a palindrome (246505642).

The spelling of 213401330 in words is "two hundred thirteen million, four hundred one thousand, three hundred thirty".

Divisors: 1 2 5 10 463 926 2315 4630 46091 92182 230455 460910 21340133 42680266 106700665 213401330