Base | Representation |
---|---|
bin | 10001010010101… |
… | …00010110111000 |
3 | 101002221020211210 |
4 | 20221110112320 |
5 | 244113032031 |
6 | 22220523120 |
7 | 3410616300 |
oct | 1051242670 |
9 | 332836753 |
10 | 145049016 |
11 | 74970522 |
12 | 406b04a0 |
13 | 24087528 |
14 | 1539a600 |
15 | cb02746 |
hex | 8a545b8 |
145049016 has 48 divisors (see below), whose sum is σ = 421829640. Its totient is φ = 41442240.
The previous prime is 145049011. The next prime is 145049027. The reversal of 145049016 is 610940541.
It is a happy number.
145049016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145049011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60495 + ... + 62846.
Almost surely, 2145049016 is an apocalyptic number.
It is an amenable number.
145049016 is an abundant number, since it is smaller than the sum of its proper divisors (276780624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145049016 is a wasteful number, since it uses less digits than its factorization.
145049016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123364 (or 123353 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 145049016 is about 12043.6296854395. The cubic root of 145049016 is about 525.4179782498.
Adding to 145049016 its reverse (610940541), we get a palindrome (755989557).
The spelling of 145049016 in words is "one hundred forty-five million, forty-nine thousand, sixteen".
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