Base | Representation |
---|---|
bin | 11011011011101… |
… | …01111100001110 |
3 | 121001000100222112 |
4 | 31231311330032 |
5 | 432402334410 |
6 | 34500144022 |
7 | 5462666243 |
oct | 1555657416 |
9 | 531010875 |
10 | 230121230 |
11 | 108996539 |
12 | 65098012 |
13 | 388a2511 |
14 | 227c35ca |
15 | 15309105 |
hex | db75f0e |
230121230 has 16 divisors (see below), whose sum is σ = 422034624. Its totient is φ = 90311520.
The previous prime is 230121211. The next prime is 230121257. The reversal of 230121230 is 32121032.
It is a happy number.
It is an alternating number because its digits alternate between even and odd.
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, 216566 + ... + 217625.
It is an arithmetic number, because the mean of its divisors is an integer number (26377164).
Almost surely, 2230121230 is an apocalyptic number.
230121230 is a deficient number, since it is larger than the sum of its proper divisors (191913394).
230121230 is a wasteful number, since it uses less digits than its factorization.
230121230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 434251.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 230121230 is about 15169.7471963115. The cubic root of 230121230 is about 612.8001960354.
Adding to 230121230 its reverse (32121032), we get a palindrome (262242262).
It can be divided in two parts, 23012 and 1230, that added together give a palindrome (24242).
The spelling of 230121230 in words is "two hundred thirty million, one hundred twenty-one thousand, two hundred thirty".
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