Base | Representation |
---|---|
bin | 10010010111111… |
… | …00010001101100 |
3 | 101202000101022220 |
4 | 21023330101230 |
5 | 303424003140 |
6 | 23143235340 |
7 | 3551021151 |
oct | 1113742154 |
9 | 352011286 |
10 | 154125420 |
11 | 79aaa789 |
12 | 43748b50 |
13 | 25c14897 |
14 | 16680228 |
15 | d7e6bd0 |
hex | 92fc46c |
154125420 has 24 divisors (see below), whose sum is σ = 431551344. Its totient is φ = 41100096.
The previous prime is 154125403. The next prime is 154125421. The reversal of 154125420 is 24521451.
154125420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (154125421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284319 + ... + 1284438.
It is an arithmetic number, because the mean of its divisors is an integer number (17981306).
Almost surely, 2154125420 is an apocalyptic number.
154125420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154125420 is an abundant number, since it is smaller than the sum of its proper divisors (277425924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154125420 is a wasteful number, since it uses less digits than its factorization.
154125420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2568769 (or 2568767 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 154125420 is about 12414.7259333422. The cubic root of 154125420 is about 536.1563134728.
Adding to 154125420 its reverse (24521451), we get a palindrome (178646871).
The spelling of 154125420 in words is "one hundred fifty-four million, one hundred twenty-five thousand, four hundred twenty".
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