Base | Representation |
---|---|
bin | 10001010000000… |
… | …10010011100010 |
3 | 101002022011211011 |
4 | 20220002103202 |
5 | 244021303210 |
6 | 22205411134 |
7 | 3405016405 |
oct | 1050022342 |
9 | 332264734 |
10 | 144712930 |
11 | 74760a6a |
12 | 40569aaa |
13 | 23c9a56b |
14 | 1530dd3c |
15 | ca87d8a |
hex | 8a024e2 |
144712930 has 32 divisors (see below), whose sum is σ = 274982400. Its totient is φ = 54680832.
The previous prime is 144712913. The next prime is 144712961. The reversal of 144712930 is 39217441.
It is a junction number, because it is equal to n+sod(n) for n = 144712892 and 144712901.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81391 + ... + 83149.
It is an arithmetic number, because the mean of its divisors is an integer number (8593200).
Almost surely, 2144712930 is an apocalyptic number.
144712930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144712930 is a deficient number, since it is larger than the sum of its proper divisors (130269470).
144712930 is a wasteful number, since it uses less digits than its factorization.
144712930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2218.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 144712930 is about 12029.6687402438. The cubic root of 144712930 is about 525.0118576309.
The spelling of 144712930 in words is "one hundred forty-four million, seven hundred twelve thousand, nine hundred thirty".
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