Search a number
-
+
213300138 = 23109326147
BaseRepresentation
bin11001011011010…
…11001110101010
3112212100202210010
430231223032222
5414101101023
633055432350
75200010202
oct1455531652
9485322703
10213300138
11aa447607
125b5256b6
1335262ccc
1420485402
1513ad5093
hexcb6b3aa

213300138 has 16 divisors (see below), whose sum is σ = 430515360. Its totient is φ = 70447536.

The previous prime is 213300121. The next prime is 213300149. The reversal of 213300138 is 831003312.

It is a happy number.

213300138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162420 + ... + 163727.

It is an arithmetic number, because the mean of its divisors is an integer number (26907210).

Almost surely, 2213300138 is an apocalyptic number.

213300138 is an abundant number, since it is smaller than the sum of its proper divisors (217215222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213300138 is a wasteful number, since it uses less digits than its factorization.

213300138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326261.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 213300138 is about 14604.7984580411. The cubic root of 213300138 is about 597.4896392408.

The spelling of 213300138 in words is "two hundred thirteen million, three hundred thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 109 218 327 654 326147 652294 978441 1956882 35550023 71100046 106650069 213300138