Base | Representation |
---|---|
bin | 10001001111111… |
… | …11111010101010 |
3 | 101002021200101210 |
4 | 20213333322222 |
5 | 244021000041 |
6 | 22205253550 |
7 | 3404646030 |
oct | 1047777252 |
9 | 332250353 |
10 | 144703146 |
11 | 74754685 |
12 | 405642b6 |
13 | 23c95c83 |
14 | 1530a550 |
15 | ca85016 |
hex | 89ffeaa |
144703146 has 32 divisors (see below), whose sum is σ = 331106688. Its totient is φ = 41299200.
The previous prime is 144703129. The next prime is 144703147. The reversal of 144703146 is 641307441.
It is not an unprimeable number, because it can be changed into a prime (144703147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74686 + ... + 76598.
It is an arithmetic number, because the mean of its divisors is an integer number (10347084).
Almost surely, 2144703146 is an apocalyptic number.
144703146 is an abundant number, since it is smaller than the sum of its proper divisors (186403542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144703146 is a wasteful number, since it uses less digits than its factorization.
144703146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3726.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 144703146 is about 12029.2620721306. The cubic root of 144703146 is about 525.0000253968. Note that the first 4 decimals are identical.
The spelling of 144703146 in words is "one hundred forty-four million, seven hundred three thousand, one hundred forty-six".
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