Base | Representation |
---|---|
bin | 11101001111110… |
… | …01110101011010 |
3 | 122002122122022100 |
4 | 32213321311122 |
5 | 1000301412110 |
6 | 40202304230 |
7 | 6036240300 |
oct | 1647716532 |
9 | 562578270 |
10 | 245341530 |
11 | 1165417a5 |
12 | 6a1b8076 |
13 | 3baa1205 |
14 | 24826270 |
15 | 16813bc0 |
hex | e9f9d5a |
245341530 has 72 divisors (see below), whose sum is σ = 742046292. Its totient is φ = 56077056.
The previous prime is 245341519. The next prime is 245341543. The reversal of 245341530 is 35143542.
245341530 is a `hidden beast` number, since 245 + 3 + 415 + 3 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 224190729 + 21150801 = 14973^2 + 4599^2 .
It is a junction number, because it is equal to n+sod(n) for n = 245341494 and 245341503.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23407 + ... + 32226.
Almost surely, 2245341530 is an apocalyptic number.
245341530 is an abundant number, since it is smaller than the sum of its proper divisors (496704762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245341530 is a wasteful number, since it uses less digits than its factorization.
245341530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55660 (or 55650 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 245341530 is about 15663.3818187517. The cubic root of 245341530 is about 626.0230965902.
The spelling of 245341530 in words is "two hundred forty-five million, three hundred forty-one thousand, five hundred thirty".
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