Base | Representation |
---|---|
bin | 10001110010101… |
… | …00110101100000 |
3 | 101101211110000222 |
4 | 20321110311200 |
5 | 301201322110 |
6 | 22450502212 |
7 | 3461364302 |
oct | 1071246540 |
9 | 341743028 |
10 | 149245280 |
11 | 77277208 |
12 | 41b94968 |
13 | 24bc6522 |
14 | 15b6d972 |
15 | d180c55 |
hex | 8e54d60 |
149245280 has 24 divisors (see below), whose sum is σ = 352592352. Its totient is φ = 59698048.
The previous prime is 149245277. The next prime is 149245319. The reversal of 149245280 is 82542941.
It is a self number, because there is not a number n which added to its sum of digits gives 149245280.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466232 + ... + 466551.
It is an arithmetic number, because the mean of its divisors is an integer number (14691348).
Almost surely, 2149245280 is an apocalyptic number.
149245280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149245280 is an abundant number, since it is smaller than the sum of its proper divisors (203347072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149245280 is an equidigital number, since it uses as much as digits as its factorization.
149245280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 932798 (or 932790 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 149245280 is about 12216.5985446032. The cubic root of 149245280 is about 530.4366639881.
The spelling of 149245280 in words is "one hundred forty-nine million, two hundred forty-five thousand, two hundred eighty".
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