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230211258 = 231914913553
BaseRepresentation
bin11011011100010…
…11111010111010
3121001011221110220
431232023322322
5432413230013
634502120510
75463522564
oct1556137272
9531157426
10230211258
11108a48142
1265120136
13389044a4
1422808334
1515325b23
hexdb8beba

230211258 has 32 divisors (see below), whose sum is σ = 487944000. Its totient is φ = 72205056.

The previous prime is 230211221. The next prime is 230211259. The reversal of 230211258 is 852112032.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230211259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10210 + ... + 23762.

It is an arithmetic number, because the mean of its divisors is an integer number (15248250).

Almost surely, 2230211258 is an apocalyptic number.

230211258 is an abundant number, since it is smaller than the sum of its proper divisors (257732742).

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

230211258 is a wasteful number, since it uses less digits than its factorization.

230211258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 230211258 is about 15172.7142594857. The cubic root of 230211258 is about 612.8800988229.

The spelling of 230211258 in words is "two hundred thirty million, two hundred eleven thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 19 38 57 114 149 298 447 894 2831 5662 8493 13553 16986 27106 40659 81318 257507 515014 772521 1545042 2019397 4038794 6058191 12116382 38368543 76737086 115105629 230211258