Base | Representation |
---|---|
bin | 11011100101101… |
… | …01011110010010 |
3 | 121010110212022202 |
4 | 31302311132102 |
5 | 433221230114 |
6 | 34544203202 |
7 | 5510060063 |
oct | 1562653622 |
9 | 533425282 |
10 | 231430034 |
11 | 1096aa8a0 |
12 | 65609502 |
13 | 38c40164 |
14 | 22a4456a |
15 | 154b6cde |
hex | dcb5792 |
231430034 has 16 divisors (see below), whose sum is σ = 391763520. Its totient is φ = 101567760.
The previous prime is 231430007. The next prime is 231430057. The reversal of 231430034 is 430034132.
It is a junction number, because it is equal to n+sod(n) for n = 231429988 and 231430015.
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, 180734 + ... + 182009.
It is an arithmetic number, because the mean of its divisors is an integer number (24485220).
Almost surely, 2231430034 is an apocalyptic number.
231430034 is a deficient number, since it is larger than the sum of its proper divisors (160333486).
231430034 is a wasteful number, since it uses less digits than its factorization.
231430034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362785.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 231430034 is about 15212.8246555332. The cubic root of 231430034 is about 613.9597582089.
Adding to 231430034 its reverse (430034132), we get a palindrome (661464166).
The spelling of 231430034 in words is "two hundred thirty-one million, four hundred thirty thousand, thirty-four".
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