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213030030 = 2357101001
BaseRepresentation
bin11001011001010…
…01010010001110
3112211212001021010
430230221102032
5414013430110
633045550050
75164503543
oct1454512216
9484761233
10213030030
11aa282684
125b415326
133519a095
1420414bca
1513a80020
hexcb2948e

213030030 has 16 divisors (see below), whose sum is σ = 511272144. Its totient is φ = 56808000.

The previous prime is 213030029. The next prime is 213030067. The reversal of 213030030 is 30030312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213029988 and 213030015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550471 + ... + 3550530.

It is an arithmetic number, because the mean of its divisors is an integer number (31954509).

Almost surely, 2213030030 is an apocalyptic number.

213030030 is an abundant number, since it is smaller than the sum of its proper divisors (298242114).

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

213030030 is a wasteful number, since it uses less digits than its factorization.

213030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101011.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 213030030 is about 14595.5482939148. The cubic root of 213030030 is about 597.2373266953.

Adding to 213030030 its reverse (30030312), we get a palindrome (243060342).

The spelling of 213030030 in words is "two hundred thirteen million, thirty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 7101001 14202002 21303003 35505005 42606006 71010010 106515015 213030030