Base | Representation |
---|---|
bin | 11101001110010… |
… | …01100111110100 |
3 | 122002021121102100 |
4 | 32213021213310 |
5 | 1000224102202 |
6 | 40154142100 |
7 | 6034455456 |
oct | 1647114764 |
9 | 562247370 |
10 | 245144052 |
11 | 11641739a |
12 | 6a121930 |
13 | 3ba3236a |
14 | 247b42d6 |
15 | 167c541c |
hex | e9c99f4 |
245144052 has 36 divisors (see below), whose sum is σ = 625364740. Its totient is φ = 80963712.
The previous prime is 245144041. The next prime is 245144059. The reversal of 245144052 is 250441542.
245144052 is a `hidden beast` number, since 245 + 14 + 405 + 2 = 666.
245144052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 149964516 + 95179536 = 12246^2 + 9756^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245144059) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27313 + ... + 35160.
Almost surely, 2245144052 is an apocalyptic number.
It is an amenable number.
245144052 is an abundant number, since it is smaller than the sum of its proper divisors (380220688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245144052 is a wasteful number, since it uses less digits than its factorization.
245144052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62592 (or 62587 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
The square root of 245144052 is about 15657.0767386508. The cubic root of 245144052 is about 625.8550872943.
Adding to 245144052 its reverse (250441542), we get a palindrome (495585594).
The spelling of 245144052 in words is "two hundred forty-five million, one hundred forty-four thousand, fifty-two".
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