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230211030 = 23571957697
BaseRepresentation
bin11011011100010…
…11110111010110
3121001011221011110
431232023313112
5432413223110
634502115450
75463522120
oct1556136726
9531157143
10230211030
11108a47a55
126511bb86
133890435a
1422808210
1515325a20
hexdb8bdd6

230211030 has 64 divisors (see below), whose sum is σ = 664680960. Its totient is φ = 49849344.

The previous prime is 230211013. The next prime is 230211031. The reversal of 230211030 is 30112032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 230210997 and 230211015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230211031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24859 + ... + 32838.

It is an arithmetic number, because the mean of its divisors is an integer number (10385640).

Almost surely, 2230211030 is an apocalyptic number.

230211030 is an abundant number, since it is smaller than the sum of its proper divisors (434469930).

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

230211030 is a wasteful number, since it uses less digits than its factorization.

230211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57733.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 230211030 is about 15172.7067459962. The cubic root of 230211030 is about 612.8798964918.

Adding to 230211030 its reverse (30112032), we get a palindrome (260323062).

The spelling of 230211030 in words is "two hundred thirty million, two hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 570 665 798 1330 1995 3990 57697 115394 173091 288485 346182 403879 576970 807758 865455 1096243 1211637 1730910 2019395 2192486 2423274 3288729 4038790 5481215 6058185 6577458 7673701 10962430 12116370 15347402 16443645 23021103 32887290 38368505 46042206 76737010 115105515 230211030