Base | Representation |
---|---|
bin | 11101010000101… |
… | …11000101000000 |
3 | 122002212201121201 |
4 | 32220113011000 |
5 | 1000314230222 |
6 | 40205030544 |
7 | 6040246435 |
oct | 1650270500 |
9 | 562781551 |
10 | 245461312 |
11 | 116613798 |
12 | 6a255454 |
13 | 3bb138a5 |
14 | 24857b8c |
15 | 16839427 |
hex | ea17140 |
245461312 has 28 divisors (see below), whose sum is σ = 491412276. Its totient is φ = 121640960.
The previous prime is 245461297. The next prime is 245461339. The reversal of 245461312 is 213164542.
It can be written as a sum of positive squares in 2 ways, for example, as 47665216 + 197796096 = 6904^2 + 14064^2 .
It is a super-2 number, since 2×2454613122 = 120502511377522688, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9739 + ... + 24202.
Almost surely, 2245461312 is an apocalyptic number.
It is an amenable number.
245461312 is an abundant number, since it is smaller than the sum of its proper divisors (245950964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245461312 is a wasteful number, since it uses less digits than its factorization.
245461312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34066 (or 34056 counting only the distinct ones).
The product of its digits is 5760, while the sum is 28.
The square root of 245461312 is about 15667.2049836593. The cubic root of 245461312 is about 626.1249601685.
The spelling of 245461312 in words is "two hundred forty-five million, four hundred sixty-one thousand, three hundred twelve".
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