Base | Representation |
---|---|
bin | 10010011010001… |
… | …00110010011110 |
3 | 101202120110202021 |
4 | 21031010302132 |
5 | 304013004210 |
6 | 23153450354 |
7 | 3553366111 |
oct | 1115046236 |
9 | 352513667 |
10 | 154422430 |
11 | 7a192948 |
12 | 438709ba |
13 | 25cb9b26 |
14 | 1671a578 |
15 | d854bda |
hex | 9344c9e |
154422430 has 16 divisors (see below), whose sum is σ = 278299440. Its totient is φ = 61693632.
The previous prime is 154422421. The next prime is 154422469. The reversal of 154422430 is 34224451.
It is a happy number.
154422430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-4 number, since 4×1544224304 (a number of 34 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 154422395 and 154422404.
It is a congruent number.
It is an unprimeable number.
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, 399 + ... + 17578.
It is an arithmetic number, because the mean of its divisors is an integer number (17393715).
Almost surely, 2154422430 is an apocalyptic number.
154422430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154422430 is a deficient number, since it is larger than the sum of its proper divisors (123877010).
154422430 is a wasteful number, since it uses less digits than its factorization.
154422430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18843.
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 154422430 is about 12426.6821798902. The cubic root of 154422430 is about 536.5004955139.
Adding to 154422430 its reverse (34224451), we get a palindrome (188646881).
The spelling of 154422430 in words is "one hundred fifty-four million, four hundred twenty-two thousand, four hundred thirty".
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