Base | Representation |
---|---|
bin | 101011010111100… |
… | …1011111100010000 |
3 | 10202102020100012011 |
4 | 1112233023330100 |
5 | 10440013212011 |
6 | 400222112304 |
7 | 51030040333 |
oct | 12657137420 |
9 | 3672210164 |
10 | 1455210256 |
11 | 687479005 |
12 | 34741b694 |
13 | 1a263c576 |
14 | db3a461a |
15 | 87b4d621 |
hex | 56bcbf10 |
1455210256 has 20 divisors (see below), whose sum is σ = 2916693900. Its totient is φ = 702515072.
The previous prime is 1455210223. The next prime is 1455210283. The reversal of 1455210256 is 6520125541.
It can be written as a sum of positive squares in 2 ways, for example, as 1055210256 + 400000000 = 32484^2 + 20000^2 .
It is a super-3 number, since 3×14552102563 (a number of 28 digits) contains 333 as substring.
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, 1567651 + ... + 1568578.
It is an arithmetic number, because the mean of its divisors is an integer number (145834695).
Almost surely, 21455210256 is an apocalyptic number.
1455210256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1455210256 is an abundant number, since it is smaller than the sum of its proper divisors (1461483644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1455210256 is a wasteful number, since it uses less digits than its factorization.
1455210256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3136266 (or 3136260 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 31.
The square root of 1455210256 is about 38147.2181947780. The cubic root of 1455210256 is about 1133.2052614986.
Adding to 1455210256 its reverse (6520125541), we get a palindrome (7975335797).
It can be divided in two parts, 1455 and 210256, that multiplied together give a triangular number (305922480 = T24735).
The spelling of 1455210256 in words is "one billion, four hundred fifty-five million, two hundred ten thousand, two hundred fifty-six".
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