Base | Representation |
---|---|
bin | 100101011010100… |
… | …1000011010001100 |
3 | 10020111100001202002 |
4 | 1022311020122030 |
5 | 10032343121220 |
6 | 324324251432 |
7 | 43053036635 |
oct | 11265103214 |
9 | 3214301662 |
10 | 1255442060 |
11 | 594734224 |
12 | 2b0540b78 |
13 | 170136932 |
14 | bca4288c |
15 | 7533cc75 |
hex | 4ad4868c |
1255442060 has 24 divisors (see below), whose sum is σ = 2639437920. Its totient is φ = 501603584.
The previous prime is 1255442003. The next prime is 1255442063. The reversal of 1255442060 is 602445521.
It is a super-2 number, since 2×12554420602 = 3152269532034087200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1255442063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17645 + ... + 53124.
It is an arithmetic number, because the mean of its divisors is an integer number (109976580).
Almost surely, 21255442060 is an apocalyptic number.
1255442060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1255442060 is an abundant number, since it is smaller than the sum of its proper divisors (1383995860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1255442060 is a wasteful number, since it uses less digits than its factorization.
1255442060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71665 (or 71663 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 29.
The square root of 1255442060 is about 35432.2178250247. The cubic root of 1255442060 is about 1078.7783568840.
Adding to 1255442060 its reverse (602445521), we get a palindrome (1857887581).
The spelling of 1255442060 in words is "one billion, two hundred fifty-five million, four hundred forty-two thousand, sixty".
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