Base | Representation |
---|---|
bin | 10001010100001… |
… | …01001011001000 |
3 | 101010022102010102 |
4 | 20222011023020 |
5 | 244140431333 |
6 | 22225104532 |
7 | 3412411244 |
oct | 1052051310 |
9 | 333272112 |
10 | 145248968 |
11 | 74a97777 |
12 | 40788148 |
13 | 24127547 |
14 | 1540d424 |
15 | cb41ae8 |
hex | 8a852c8 |
145248968 has 12 divisors (see below), whose sum is σ = 272405745. Its totient is φ = 72607440.
The previous prime is 145248959. The next prime is 145248989. The reversal of 145248968 is 869842541.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 98763844 + 46485124 = 9938^2 + 6818^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=8522.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31958 + ... + 36218.
Almost surely, 2145248968 is an apocalyptic number.
It is an amenable number.
145248968 is a deficient number, since it is larger than the sum of its proper divisors (127156777).
145248968 is an frugal number, since it uses more digits than its factorization.
145248968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8528 (or 4263 counting only the distinct ones).
The product of its digits is 552960, while the sum is 47.
The square root of 145248968 is about 12051.9279785435. The cubic root of 145248968 is about 525.6592992888.
The spelling of 145248968 in words is "one hundred forty-five million, two hundred forty-eight thousand, nine hundred sixty-eight".
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