Base | Representation |
---|---|
bin | 100011111010011… |
… | …1010001101011100 |
3 | 10002222111222220220 |
4 | 1013310322031130 |
5 | 4431443133002 |
6 | 315324241340 |
7 | 41601526605 |
oct | 10764721534 |
9 | 3088458826 |
10 | 1205052252 |
11 | 569247658 |
12 | 2976a0250 |
13 | 162872c91 |
14 | b6086dac |
15 | 70bd77bc |
hex | 47d3a35c |
1205052252 has 12 divisors (see below), whose sum is σ = 2811788616. Its totient is φ = 401684080.
The previous prime is 1205052239. The next prime is 1205052263. The reversal of 1205052252 is 2522505021.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50210499 + ... + 50210522.
It is an arithmetic number, because the mean of its divisors is an integer number (234315718).
Almost surely, 21205052252 is an apocalyptic number.
1205052252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1205052252 is an abundant number, since it is smaller than the sum of its proper divisors (1606736364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1205052252 is a wasteful number, since it uses less digits than its factorization.
1205052252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100421028 (or 100421026 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 1205052252 is about 34713.8625335758. The cubic root of 1205052252 is about 1064.1478196930.
Adding to 1205052252 its reverse (2522505021), we get a palindrome (3727557273).
The spelling of 1205052252 in words is "one billion, two hundred five million, fifty-two thousand, two hundred fifty-two".
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