Base | Representation |
---|---|
bin | 10001001110011… |
… | …11100100000100 |
3 | 101001220121201110 |
4 | 20213033210010 |
5 | 243443130332 |
6 | 22201125020 |
7 | 3403162434 |
oct | 1047174404 |
9 | 331817643 |
10 | 144505092 |
11 | 746298a6 |
12 | 40489770 |
13 | 23c26a94 |
14 | 152982c4 |
15 | ca464cc |
hex | 89cf904 |
144505092 has 12 divisors (see below), whose sum is σ = 337178576. Its totient is φ = 48168360.
The previous prime is 144505079. The next prime is 144505111. The reversal of 144505092 is 290505441.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×1445050922 = 41763443227856928, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6021034 + ... + 6021057.
Almost surely, 2144505092 is an apocalyptic number.
144505092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144505092 is an abundant number, since it is smaller than the sum of its proper divisors (192673484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144505092 is a wasteful number, since it uses less digits than its factorization.
144505092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12042098 (or 12042096 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 144505092 is about 12021.0270775837. The cubic root of 144505092 is about 524.7603949716.
The spelling of 144505092 in words is "one hundred forty-four million, five hundred five thousand, ninety-two".
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