Base | Representation |
---|---|
bin | 10010011010001… |
… | …00011110001010 |
3 | 101202120101222010 |
4 | 21031010132022 |
5 | 304012434010 |
6 | 23153440350 |
7 | 3553362243 |
oct | 1115043612 |
9 | 352511863 |
10 | 154421130 |
11 | 7a191976 |
12 | 438700b6 |
13 | 25cb9366 |
14 | 16719cca |
15 | d854620 |
hex | 934478a |
154421130 has 16 divisors (see below), whose sum is σ = 370610784. Its totient is φ = 41178960.
The previous prime is 154421119. The next prime is 154421153. The reversal of 154421130 is 31124451.
154421130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 154421097 and 154421106.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573656 + ... + 2573715.
It is an arithmetic number, because the mean of its divisors is an integer number (23163174).
Almost surely, 2154421130 is an apocalyptic number.
154421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154421130 is an abundant number, since it is smaller than the sum of its proper divisors (216189654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154421130 is a wasteful number, since it uses less digits than its factorization.
154421130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5147381.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 154421130 is about 12426.6298729784. The cubic root of 154421130 is about 536.4989900059.
Adding to 154421130 its reverse (31124451), we get a palindrome (185545581).
The spelling of 154421130 in words is "one hundred fifty-four million, four hundred twenty-one thousand, one hundred thirty".
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