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230213022 = 23132951449
BaseRepresentation
bin11011011100011…
…00010110011110
3121001012000220020
431232030112132
5432413304042
634502133010
75463530664
oct1556142636
9531160806
10230213022
11108a494a6
1265121166
1338905230
1422808c34
15153263ec
hexdb8c59e

230213022 has 16 divisors (see below), whose sum is σ = 495843600. Its totient is φ = 70834752.

The previous prime is 230212999. The next prime is 230213023. The reversal of 230213022 is 220312032.

It is a junction number, because it is equal to n+sod(n) for n = 230212992 and 230213010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230213023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475647 + ... + 1475802.

It is an arithmetic number, because the mean of its divisors is an integer number (30990225).

Almost surely, 2230213022 is an apocalyptic number.

230213022 is an abundant number, since it is smaller than the sum of its proper divisors (265630578).

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

230213022 is a wasteful number, since it uses less digits than its factorization.

230213022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951467.

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

The square root of 230213022 is about 15172.7723900413. The cubic root of 230213022 is about 612.8816642223.

Adding to 230213022 its reverse (220312032), we get a palindrome (450525054).

The spelling of 230213022 in words is "two hundred thirty million, two hundred thirteen thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 78 2951449 5902898 8854347 17708694 38368837 76737674 115106511 230213022