Base | Representation |
---|---|
bin | 11101010010100… |
… | …11110100110010 |
3 | 122010100100221012 |
4 | 32221103310302 |
5 | 1000400211010 |
6 | 40214230522 |
7 | 6042334031 |
oct | 1651236462 |
9 | 563310835 |
10 | 245710130 |
11 | 116773726 |
12 | 6a355442 |
13 | 3bb9cc13 |
14 | 248c0718 |
15 | 16888005 |
hex | ea53d32 |
245710130 has 32 divisors (see below), whose sum is σ = 455217840. Its totient is φ = 95431680.
The previous prime is 245710121. The next prime is 245710151. The reversal of 245710130 is 31017542.
It can be written as a sum of positive squares in 8 ways, for example, as 175536001 + 70174129 = 13249^2 + 8377^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 245710096 and 245710105.
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, 92582 + ... + 95198.
Almost surely, 2245710130 is an apocalyptic number.
245710130 is a deficient number, since it is larger than the sum of its proper divisors (209507710).
245710130 is a wasteful number, since it uses less digits than its factorization.
245710130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2894.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 245710130 is about 15675.1436995008. The cubic root of 245710130 is about 626.3364511338.
Adding to 245710130 its reverse (31017542), we get a palindrome (276727672).
The spelling of 245710130 in words is "two hundred forty-five million, seven hundred ten thousand, one hundred thirty".
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