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213104319 = 371034773
BaseRepresentation
bin11001011001110…
…11011010111111
3112211222211011120
430230323122333
5414023314234
633051322023
75165233251
oct1454733277
9484884146
10213104319
11aa32347a
125b450313
13351c4b3c
1420433cd1
1513a97049
hexcb3b6bf

213104319 has 4 divisors (see below), whose sum is σ = 284139096. Its totient is φ = 142069544.

The previous prime is 213104291. The next prime is 213104329. The reversal of 213104319 is 913401312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213104319 - 216 = 213038783 is a prime.

It is a super-2 number, since 2×2131043192 = 90826901552907522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213104329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35517384 + ... + 35517389.

It is an arithmetic number, because the mean of its divisors is an integer number (71034774).

Almost surely, 2213104319 is an apocalyptic number.

213104319 is a deficient number, since it is larger than the sum of its proper divisors (71034777).

213104319 is an equidigital number, since it uses as much as digits as its factorization.

213104319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71034776.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 213104319 is about 14598.0929918945. The cubic root of 213104319 is about 597.3067425852.

The spelling of 213104319 in words is "two hundred thirteen million, one hundred four thousand, three hundred nineteen".

Divisors: 1 3 71034773 213104319