Base | Representation |
---|---|
bin | 10001011001100… |
… | …10111000101001 |
3 | 101011122120011001 |
4 | 20230302320221 |
5 | 244331213424 |
6 | 22252235001 |
7 | 3421433533 |
oct | 1054627051 |
9 | 334576131 |
10 | 145960489 |
11 | 75433304 |
12 | 40a6ba61 |
13 | 2431636c |
14 | 15556853 |
15 | cc32844 |
hex | 8b32e29 |
145960489 has 8 divisors (see below), whose sum is σ = 153787040. Its totient is φ = 138148416.
The previous prime is 145960457. The next prime is 145960511. The reversal of 145960489 is 984069541.
It is a happy number.
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 145960489 - 25 = 145960457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145960439) 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, 21682 + ... + 27604.
It is an arithmetic number, because the mean of its divisors is an integer number (19223380).
Almost surely, 2145960489 is an apocalyptic number.
145960489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
145960489 is a deficient number, since it is larger than the sum of its proper divisors (7826551).
145960489 is a wasteful number, since it uses less digits than its factorization.
145960489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7239.
The product of its (nonzero) digits is 311040, while the sum is 46.
The square root of 145960489 is about 12081.4108861507. The cubic root of 145960489 is about 526.5162383945.
The spelling of 145960489 in words is "one hundred forty-five million, nine hundred sixty thousand, four hundred eighty-nine".
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