Base | Representation |
---|---|
bin | 11011111100100… |
… | …01111000111101 |
3 | 121100010021112002 |
4 | 31332101320331 |
5 | 440003230023 |
6 | 35132352045 |
7 | 5544423266 |
oct | 1576217075 |
9 | 540107462 |
10 | 234430013 |
11 | 110369814 |
12 | 66615625 |
13 | 397507ac |
14 | 231c596d |
15 | 158aab28 |
hex | df91e3d |
234430013 has 2 divisors, whose sum is σ = 234430014. Its totient is φ = 234430012.
The previous prime is 234429977. The next prime is 234430019. The reversal of 234430013 is 310034432.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 179640409 + 54789604 = 13403^2 + 7402^2 .
It is a cyclic number.
It is not a de Polignac number, because 234430013 - 216 = 234364477 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (234430019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117215006 + 117215007.
It is an arithmetic number, because the mean of its divisors is an integer number (117215007).
Almost surely, 2234430013 is an apocalyptic number.
It is an amenable number.
234430013 is a deficient number, since it is larger than the sum of its proper divisors (1).
234430013 is an equidigital number, since it uses as much as digits as its factorization.
234430013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 234430013 is about 15311.1075040312. The cubic root of 234430013 is about 616.6012543554.
Adding to 234430013 its reverse (310034432), we get a palindrome (544464445).
The spelling of 234430013 in words is "two hundred thirty-four million, four hundred thirty thousand, thirteen".
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