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213230234 = 2715230731
BaseRepresentation
bin11001011010110…
…10001010011010
3112212020012220002
430231122022122
5414041331414
633054133002
75166266330
oct1455321232
9485205802
10213230234
11aa3aa038
125b4b1162
133523a249
1420467b50
1513abe4de
hexcb5a29a

213230234 has 8 divisors (see below), whose sum is σ = 365537568. Its totient is φ = 91384380.

The previous prime is 213230219. The next prime is 213230261. The reversal of 213230234 is 432032312.

213230234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7615352 + ... + 7615379.

It is an arithmetic number, because the mean of its divisors is an integer number (45692196).

Almost surely, 2213230234 is an apocalyptic number.

213230234 is a deficient number, since it is larger than the sum of its proper divisors (152307334).

213230234 is a wasteful number, since it uses less digits than its factorization.

213230234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230740.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 213230234 is about 14602.4050758771. The cubic root of 213230234 is about 597.4243611469.

Adding to 213230234 its reverse (432032312), we get a palindrome (645262546).

The spelling of 213230234 in words is "two hundred thirteen million, two hundred thirty thousand, two hundred thirty-four".

Divisors: 1 2 7 14 15230731 30461462 106615117 213230234