Base | Representation |
---|---|
bin | 11101100100001… |
… | …01110111100101 |
3 | 122021200022212022 |
4 | 32302011313211 |
5 | 1001442343021 |
6 | 40335432525 |
7 | 6101032550 |
oct | 1662056745 |
9 | 567608768 |
10 | 248012261 |
11 | 117aa6312 |
12 | 6b085745 |
13 | 3c4c7a23 |
14 | 24d1d697 |
15 | 16b901ab |
hex | ec85de5 |
248012261 has 8 divisors (see below), whose sum is σ = 290034624. Its totient is φ = 207637920.
The previous prime is 248012257. The next prime is 248012291. The reversal of 248012261 is 162210842.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 248012261 - 22 = 248012257 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 248012261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248012231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411680 + ... + 412281.
It is an arithmetic number, because the mean of its divisors is an integer number (36254328).
Almost surely, 2248012261 is an apocalyptic number.
It is an amenable number.
248012261 is a deficient number, since it is larger than the sum of its proper divisors (42022363).
248012261 is an equidigital number, since it uses as much as digits as its factorization.
248012261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 824011.
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 248012261 is about 15748.4050303515. The cubic root of 248012261 is about 628.2864841969.
It can be divided in two parts, 2480 and 12261, that added together give a palindrome (14741).
The spelling of 248012261 in words is "two hundred forty-eight million, twelve thousand, two hundred sixty-one".
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