Base | Representation |
---|---|
bin | 11011011011000… |
… | …00000011000011 |
3 | 121000211210222020 |
4 | 31231200003003 |
5 | 432342002210 |
6 | 34454212523 |
7 | 5462143635 |
oct | 1555400303 |
9 | 530753866 |
10 | 230031555 |
11 | 108935126 |
12 | 65054143 |
13 | 38870760 |
14 | 2279ca55 |
15 | 152dc770 |
hex | db600c3 |
230031555 has 16 divisors (see below), whose sum is σ = 396362400. Its totient is φ = 113246208.
The previous prime is 230031547. The next prime is 230031587. The reversal of 230031555 is 555130032.
It is not a de Polignac number, because 230031555 - 23 = 230031547 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589630 + ... + 590019.
It is an arithmetic number, because the mean of its divisors is an integer number (24772650).
Almost surely, 2230031555 is an apocalyptic number.
230031555 is a deficient number, since it is larger than the sum of its proper divisors (166330845).
230031555 is a wasteful number, since it uses less digits than its factorization.
230031555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1179670.
The product of its (nonzero) digits is 2250, while the sum is 24.
The square root of 230031555 is about 15166.7911899650. The cubic root of 230031555 is about 612.7205858270.
Adding to 230031555 its reverse (555130032), we get a palindrome (785161587).
The spelling of 230031555 in words is "two hundred thirty million, thirty-one thousand, five hundred fifty-five".
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