Base | Representation |
---|---|
bin | 10001010110000… |
… | …00001011001000 |
3 | 101010202200121221 |
4 | 20223000023020 |
5 | 244221200012 |
6 | 22234211424 |
7 | 3414435640 |
oct | 1053001310 |
9 | 333680557 |
10 | 145490632 |
11 | 751422a1 |
12 | 40883b74 |
13 | 241b0541 |
14 | 15473520 |
15 | cb8d507 |
hex | 8ac02c8 |
145490632 has 32 divisors (see below), whose sum is σ = 319374720. Its totient is φ = 60831360.
The previous prime is 145490599. The next prime is 145490633. The reversal of 145490632 is 236094541.
It is a happy number.
145490632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1454906323 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (145490633) 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, 29388 + ... + 33979.
It is an arithmetic number, because the mean of its divisors is an integer number (9980460).
Almost surely, 2145490632 is an apocalyptic number.
It is an amenable number.
145490632 is an abundant number, since it is smaller than the sum of its proper divisors (173884088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145490632 is a wasteful number, since it uses less digits than its factorization.
145490632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63421 (or 63417 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 34.
The square root of 145490632 is about 12061.9497594709. The cubic root of 145490632 is about 525.9506669168.
The spelling of 145490632 in words is "one hundred forty-five million, four hundred ninety thousand, six hundred thirty-two".
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