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213230022 = 23251141587
BaseRepresentation
bin11001011010110…
…10000111000110
3112212020012121020
430231122013012
5414041330042
633054132010
75166265605
oct1455320706
9485205536
10213230022
11aa3a9965
125b4b1006
133523a115
1420467a3c
1513abe3ec
hexcb5a1c6

213230022 has 16 divisors (see below), whose sum is σ = 428162112. Its totient is φ = 70793000.

The previous prime is 213230009. The next prime is 213230041. The reversal of 213230022 is 220032312.

213230022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213229983 and 213230010.

It is a congruent number.

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, 69288 + ... + 72299.

It is an arithmetic number, because the mean of its divisors is an integer number (26760132).

Almost surely, 2213230022 is an apocalyptic number.

213230022 is an abundant number, since it is smaller than the sum of its proper divisors (214932090).

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

213230022 is a wasteful number, since it uses less digits than its factorization.

213230022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141843.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 213230022 is about 14602.3978167971. The cubic root of 213230022 is about 597.4241631543.

Adding to 213230022 its reverse (220032312), we get a palindrome (433262334).

The spelling of 213230022 in words is "two hundred thirteen million, two hundred thirty thousand, twenty-two".

Divisors: 1 2 3 6 251 502 753 1506 141587 283174 424761 849522 35538337 71076674 106615011 213230022