Base | Representation |
---|---|
bin | 10001010010011… |
… | …00011010001011 |
3 | 101002212121011222 |
4 | 20221030122023 |
5 | 244111011314 |
6 | 22220112255 |
7 | 3410422340 |
oct | 1051143213 |
9 | 332777158 |
10 | 145016459 |
11 | 74949015 |
12 | 4069568b |
13 | 24075773 |
14 | 1538c7c7 |
15 | cae7c8e |
hex | 8a4c68b |
145016459 has 8 divisors (see below), whose sum is σ = 168450528. Its totient is φ = 122261760.
The previous prime is 145016447. The next prime is 145016483. The reversal of 145016459 is 954610541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145016459 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145046459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169382 + ... + 170235.
It is an arithmetic number, because the mean of its divisors is an integer number (21056316).
Almost surely, 2145016459 is an apocalyptic number.
145016459 is a deficient number, since it is larger than the sum of its proper divisors (23434069).
145016459 is an equidigital number, since it uses as much as digits as its factorization.
145016459 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339685.
The product of its (nonzero) digits is 21600, while the sum is 35.
The square root of 145016459 is about 12042.2779821760. The cubic root of 145016459 is about 525.3786643829.
The spelling of 145016459 in words is "one hundred forty-five million, sixteen thousand, four hundred fifty-nine".
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