Base | Representation |
---|---|
bin | 10001011001100… |
… | …00000010010111 |
3 | 101011121222010222 |
4 | 20230300002113 |
5 | 244330330243 |
6 | 22252104555 |
7 | 3421354526 |
oct | 1054600227 |
9 | 334558128 |
10 | 145948823 |
11 | 75425569 |
12 | 40a6515b |
13 | 24310c67 |
14 | 155524bd |
15 | cc2e168 |
hex | 8b30097 |
145948823 has 16 divisors (see below), whose sum is σ = 160953600. Its totient is φ = 131725440.
The previous prime is 145948811. The next prime is 145948849. The reversal of 145948823 is 328849541.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 145948823 - 210 = 145947799 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145948883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144143 + ... + 145151.
It is an arithmetic number, because the mean of its divisors is an integer number (10059600).
Almost surely, 2145948823 is an apocalyptic number.
145948823 is a deficient number, since it is larger than the sum of its proper divisors (15004777).
145948823 is a wasteful number, since it uses less digits than its factorization.
145948823 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1382.
The product of its digits is 276480, while the sum is 44.
The square root of 145948823 is about 12080.9280686543. The cubic root of 145948823 is about 526.5022106209.
The spelling of 145948823 in words is "one hundred forty-five million, nine hundred forty-eight thousand, eight hundred twenty-three".
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