Base | Representation |
---|---|
bin | 10001010101011… |
… | …00111100010010 |
3 | 101010121200120101 |
4 | 20222230330102 |
5 | 244211134413 |
6 | 22232403014 |
7 | 3413660164 |
oct | 1052547422 |
9 | 333550511 |
10 | 145411858 |
11 | 75099099 |
12 | 4084646a |
13 | 24183727 |
14 | 15452934 |
15 | cb74edd |
hex | 8aacf12 |
145411858 has 16 divisors (see below), whose sum is σ = 225929880. Its totient is φ = 70108416.
The previous prime is 145411837. The next prime is 145411859. The reversal of 145411858 is 858114541.
It can be written as a sum of positive squares in 4 ways, for example, as 144552529 + 859329 = 12023^2 + 927^2 .
It is a super-2 number, since 2×1454118582 = 42289216894024328, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145411859) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74260 + ... + 76192.
Almost surely, 2145411858 is an apocalyptic number.
145411858 is a deficient number, since it is larger than the sum of its proper divisors (80518022).
145411858 is a wasteful number, since it uses less digits than its factorization.
145411858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3261.
The product of its digits is 25600, while the sum is 37.
The square root of 145411858 is about 12058.6839248734. The cubic root of 145411858 is about 525.8557267433.
The spelling of 145411858 in words is "one hundred forty-five million, four hundred eleven thousand, eight hundred fifty-eight".
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