Base | Representation |
---|---|
bin | 10001011001101… |
… | …11100010110010 |
3 | 101011200112022202 |
4 | 20230313202302 |
5 | 244332321240 |
6 | 22252503202 |
7 | 3421543262 |
oct | 1054674262 |
9 | 334615282 |
10 | 145979570 |
11 | 75446680 |
12 | 40a7ab02 |
13 | 24321c59 |
14 | 1555d7a2 |
15 | cc38315 |
hex | 8b378b2 |
145979570 has 64 divisors (see below), whose sum is σ = 296110080. Its totient is φ = 51364800.
The previous prime is 145979569. The next prime is 145979573. The reversal of 145979570 is 75979541.
145979570 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (145979573) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538535 + ... + 538805.
It is an arithmetic number, because the mean of its divisors is an integer number (4626720).
Almost surely, 2145979570 is an apocalyptic number.
145979570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145979570 is an abundant number, since it is smaller than the sum of its proper divisors (150130510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145979570 is a wasteful number, since it uses less digits than its factorization.
145979570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431.
The product of its (nonzero) digits is 396900, while the sum is 47.
The square root of 145979570 is about 12082.2005446028. The cubic root of 145979570 is about 526.5391807188.
The spelling of 145979570 in words is "one hundred forty-five million, nine hundred seventy-nine thousand, five hundred seventy".
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