Base | Representation |
---|---|
bin | 10001010000010… |
… | …10011101001111 |
3 | 101002100212121210 |
4 | 20220022131033 |
5 | 244023340234 |
6 | 22210225503 |
7 | 3405215634 |
oct | 1050123517 |
9 | 332325553 |
10 | 144746319 |
11 | 74784063 |
12 | 40585293 |
13 | 23cac813 |
14 | 1531c18b |
15 | ca92be9 |
hex | 8a0a74f |
144746319 has 8 divisors (see below), whose sum is σ = 193087152. Its totient is φ = 96451520.
The previous prime is 144746297. The next prime is 144746353. The reversal of 144746319 is 913647441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144746319 - 213 = 144738127 is a prime.
It is a super-2 number, since 2×1447463192 = 41902993728099522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144746369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342 + ... + 17339.
It is an arithmetic number, because the mean of its divisors is an integer number (24135894).
Almost surely, 2144746319 is an apocalyptic number.
144746319 is a deficient number, since it is larger than the sum of its proper divisors (48340833).
144746319 is a wasteful number, since it uses less digits than its factorization.
144746319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23017.
The product of its digits is 72576, while the sum is 39.
The square root of 144746319 is about 12031.0564374040. The cubic root of 144746319 is about 525.0522324449.
The spelling of 144746319 in words is "one hundred forty-four million, seven hundred forty-six thousand, three hundred nineteen".
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