Base | Representation |
---|---|
bin | 11101010001111… |
… | …00101111001000 |
3 | 122010011120012121 |
4 | 32220330233020 |
5 | 1000334144220 |
6 | 40212221024 |
7 | 6041461231 |
oct | 1650745710 |
9 | 563146177 |
10 | 245615560 |
11 | 116709673 |
12 | 6a30a774 |
13 | 3bb68b68 |
14 | 24898088 |
15 | 16869eaa |
hex | ea3cbc8 |
245615560 has 16 divisors (see below), whose sum is σ = 552635100. Its totient is φ = 98246208.
The previous prime is 245615549. The next prime is 245615593. The reversal of 245615560 is 65516542.
It can be written as a sum of positive squares in 2 ways, for example, as 241429444 + 4186116 = 15538^2 + 2046^2 .
It is a super-2 number, since 2×2456155602 = 120654006628227200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3070155 + ... + 3070234.
Almost surely, 2245615560 is an apocalyptic number.
245615560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245615560 is an abundant number, since it is smaller than the sum of its proper divisors (307019540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245615560 is a wasteful number, since it uses less digits than its factorization.
245615560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6140400 (or 6140396 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 34.
The square root of 245615560 is about 15672.1268499205. The cubic root of 245615560 is about 626.2560851092.
The spelling of 245615560 in words is "two hundred forty-five million, six hundred fifteen thousand, five hundred sixty".
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