Base | Representation |
---|---|
bin | 11101010011111… |
… | …11101000000000 |
3 | 122010200111000212 |
4 | 32221333220000 |
5 | 1000421431121 |
6 | 40222133252 |
7 | 6044012054 |
oct | 1651775000 |
9 | 563614025 |
10 | 245889536 |
11 | 1168864a2 |
12 | 6a421228 |
13 | 3bc33789 |
14 | 24929c64 |
15 | 168c125b |
hex | ea7fa00 |
245889536 has 40 divisors (see below), whose sum is σ = 499416324. Its totient is φ = 120913920.
The previous prime is 245889533. The next prime is 245889541. The reversal of 245889536 is 635988542.
245889536 is digitally balanced in base 2, 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 165894400 + 79995136 = 12880^2 + 8944^2 .
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (245889533) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27296 + ... + 35168.
Almost surely, 2245889536 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245889536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249708162).
245889536 is an abundant number, since it is smaller than the sum of its proper divisors (253526788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245889536 is an frugal number, since it uses more digits than its factorization.
245889536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7952 (or 7936 counting only the distinct ones).
The product of its digits is 2073600, while the sum is 50.
The square root of 245889536 is about 15680.8652822477. The cubic root of 245889536 is about 626.4888545365.
The spelling of 245889536 in words is "two hundred forty-five million, eight hundred eighty-nine thousand, five hundred thirty-six".
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