Base | Representation |
---|---|
bin | 100101011000110… |
… | …0011101100011010 |
3 | 10020102120110200010 |
4 | 1022301203230122 |
5 | 10032123131432 |
6 | 324252222350 |
7 | 43042055454 |
oct | 11261435432 |
9 | 3212513603 |
10 | 1254505242 |
11 | 5941543a1 |
12 | 2b016a9b6 |
13 | 16cb993c3 |
14 | bc87b2d4 |
15 | 752053cc |
hex | 4ac63b1a |
1254505242 has 32 divisors (see below), whose sum is σ = 2663311104. Its totient is φ = 392576000.
The previous prime is 1254505223. The next prime is 1254505271. The reversal of 1254505242 is 2425054521.
It is a super-4 number, since 4×12545052424 (a number of 37 digits) contains 4444 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25567 + ... + 56237.
It is an arithmetic number, because the mean of its divisors is an integer number (83228472).
Almost surely, 21254505242 is an apocalyptic number.
1254505242 is an abundant number, since it is smaller than the sum of its proper divisors (1408805862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1254505242 is a wasteful number, since it uses less digits than its factorization.
1254505242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31094.
The product of its (nonzero) digits is 16000, while the sum is 30.
The square root of 1254505242 is about 35418.9954967670. The cubic root of 1254505242 is about 1078.5099599329.
Adding to 1254505242 its reverse (2425054521), we get a palindrome (3679559763).
The spelling of 1254505242 in words is "one billion, two hundred fifty-four million, five hundred five thousand, two hundred forty-two".
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