Base | Representation |
---|---|
bin | 101101110101100… |
… | …0010110101000000 |
3 | 10222012001000200100 |
4 | 1123223002311000 |
5 | 11122212313212 |
6 | 412340522400 |
7 | 53053605300 |
oct | 13353026500 |
9 | 3865030610 |
10 | 1538010432 |
11 | 71a192002 |
12 | 36b0b0400 |
13 | 1b684035a |
14 | 108399600 |
15 | 90056bdc |
hex | 5bac2d40 |
1538010432 has 126 divisors (see below), whose sum is σ = 5128266858. Its totient is φ = 439423488.
The previous prime is 1538010427. The next prime is 1538010433. The reversal of 1538010432 is 2340108351.
It is a happy number.
1538010432 is a `hidden beast` number, since 153 + 80 + 1 + 0 + 432 = 666.
It can be written as a sum of positive squares in only one way, i.e., 1151652096 + 386358336 = 33936^2 + 19656^2 .
It is a tau number, because it is divible by the number of its divisors (126).
It is a junction number, because it is equal to n+sod(n) for n = 1538010396 and 1538010405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1538010433) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 978 + ... + 55470.
Almost surely, 21538010432 is an apocalyptic number.
1538010432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1538010432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564133429).
1538010432 is an abundant number, since it is smaller than the sum of its proper divisors (3590256426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1538010432 is a wasteful number, since it uses less digits than its factorization.
1538010432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54525 (or 54505 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 1538010432 is about 39217.4761044104. The cubic root of 1538010432 is about 1154.3028299543.
Adding to 1538010432 its reverse (2340108351), we get a palindrome (3878118783).
The spelling of 1538010432 in words is "one billion, five hundred thirty-eight million, ten thousand, four hundred thirty-two".
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