Base | Representation |
---|---|
bin | 10001010101101… |
… | …11010101001100 |
3 | 101010200211221110 |
4 | 20222313111030 |
5 | 244214020122 |
6 | 22233332020 |
7 | 3414225225 |
oct | 1052672514 |
9 | 333624843 |
10 | 145454412 |
11 | 75118064 |
12 | 40867010 |
13 | 24199bcc |
14 | 1546424c |
15 | cb8290c |
hex | 8ab754c |
145454412 has 24 divisors (see below), whose sum is σ = 339909696. Its totient is φ = 48411088.
The previous prime is 145454381. The next prime is 145454447. The reversal of 145454412 is 214454541.
145454412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 145454412.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 17069.
It is an arithmetic number, because the mean of its divisors is an integer number (14162904).
Almost surely, 2145454412 is an apocalyptic number.
145454412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145454412 is an abundant number, since it is smaller than the sum of its proper divisors (194455284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145454412 is a wasteful number, since it uses less digits than its factorization.
145454412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18437 (or 18435 counting only the distinct ones).
The product of its digits is 12800, while the sum is 30.
The square root of 145454412 is about 12060.4482503761. The cubic root of 145454412 is about 525.9070180259.
The spelling of 145454412 in words is "one hundred forty-five million, four hundred fifty-four thousand, four hundred twelve".
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