Base | Representation |
---|---|
bin | 10001001110010… |
… | …01000011001011 |
3 | 101001212021010021 |
4 | 20213021003023 |
5 | 243441302121 |
6 | 22200401311 |
7 | 3403021600 |
oct | 1047110313 |
9 | 331767107 |
10 | 144478411 |
11 | 74610850 |
12 | 40476237 |
13 | 23c178ac |
14 | 1528c6a7 |
15 | ca3d641 |
hex | 89c90cb |
144478411 has 12 divisors (see below), whose sum is σ = 183346200. Its totient is φ = 112580160.
The previous prime is 144478403. The next prime is 144478429. The reversal of 144478411 is 114874441.
It is not a de Polignac number, because 144478411 - 23 = 144478403 is a prime.
It is a super-2 number, since 2×1444784112 = 41748022490169842, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144478441) 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, 133486 + ... + 134563.
It is an arithmetic number, because the mean of its divisors is an integer number (15278850).
Almost surely, 2144478411 is an apocalyptic number.
144478411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
144478411 is a deficient number, since it is larger than the sum of its proper divisors (38867789).
144478411 is a wasteful number, since it uses less digits than its factorization.
144478411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268074 (or 268067 counting only the distinct ones).
The product of its digits is 14336, while the sum is 34.
The square root of 144478411 is about 12019.9172626104. The cubic root of 144478411 is about 524.7280962391.
The spelling of 144478411 in words is "one hundred forty-four million, four hundred seventy-eight thousand, four hundred eleven".
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