Base | Representation |
---|---|
bin | 10001010001001… |
… | …01010110000010 |
3 | 101002120110200201 |
4 | 20220211112002 |
5 | 244040401300 |
6 | 22212435414 |
7 | 3406155004 |
oct | 1050452602 |
9 | 332513621 |
10 | 144856450 |
11 | 74849882 |
12 | 40618b6a |
13 | 2401a99b |
14 | 1534a374 |
15 | cab566a |
hex | 8a25582 |
144856450 has 24 divisors (see below), whose sum is σ = 278726580. Its totient is φ = 55944000.
The previous prime is 144856447. The next prime is 144856451. The reversal of 144856450 is 54658441.
It can be written as a sum of positive squares in 6 ways, for example, as 98029801 + 46826649 = 9901^2 + 6843^2 .
It is a super-3 number, since 3×1448564503 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (144856451) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48501 + ... + 51400.
Almost surely, 2144856450 is an apocalyptic number.
144856450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144856450 is a deficient number, since it is larger than the sum of its proper divisors (133870130).
144856450 is a wasteful number, since it uses less digits than its factorization.
144856450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99942 (or 99937 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 37.
The square root of 144856450 is about 12035.6325134992. The cubic root of 144856450 is about 525.1853616064.
The spelling of 144856450 in words is "one hundred forty-four million, eight hundred fifty-six thousand, four hundred fifty".
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