Base | Representation |
---|---|
bin | 10001010010000… |
… | …01001001011010 |
3 | 101002210020220111 |
4 | 20221001021122 |
5 | 244103022310 |
6 | 22215114534 |
7 | 3410141011 |
oct | 1051011132 |
9 | 332706814 |
10 | 144970330 |
11 | 7491739a |
12 | 40672a4a |
13 | 2405a77b |
14 | 15379a78 |
15 | cad928a |
hex | 8a4125a |
144970330 has 16 divisors (see below), whose sum is σ = 262274760. Its totient is φ = 57692992.
The previous prime is 144970279. The next prime is 144970349. The reversal of 144970330 is 33079441.
It can be written as a sum of positive squares in 4 ways, for example, as 144793089 + 177241 = 12033^2 + 421^2 .
It is a junction number, because it is equal to n+sod(n) for n = 144970292 and 144970301.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34825 + ... + 38764.
Almost surely, 2144970330 is an apocalyptic number.
144970330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144970330 is a deficient number, since it is larger than the sum of its proper divisors (117304430).
144970330 is a wasteful number, since it uses less digits than its factorization.
144970330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73793.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 144970330 is about 12040.3625360701. The cubic root of 144970330 is about 525.3229517125.
The spelling of 144970330 in words is "one hundred forty-four million, nine hundred seventy thousand, three hundred thirty".
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