Base | Representation |
---|---|
bin | 1111100011000… |
… | …01001100110000 |
3 | 100002102002201212 |
4 | 13301201030300 |
5 | 231341442202 |
6 | 20535215252 |
7 | 3142364522 |
oct | 761411460 |
9 | 302362655 |
10 | 130421552 |
11 | 6768a708 |
12 | 37817528 |
13 | 21035621 |
14 | 1346da12 |
15 | b6b3652 |
hex | 7c61330 |
130421552 has 80 divisors (see below), whose sum is σ = 278419680. Its totient is φ = 58945536.
The previous prime is 130421531. The next prime is 130421573. The reversal of 130421552 is 255124031.
It is an interprime number because it is at equal distance from previous prime (130421531) and next prime (130421573).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196474 + ... + 1196582.
It is an arithmetic number, because the mean of its divisors is an integer number (3480246).
Almost surely, 2130421552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130421552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139209840).
130421552 is an abundant number, since it is smaller than the sum of its proper divisors (147998128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130421552 is a wasteful number, since it uses less digits than its factorization.
130421552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270 (or 264 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 130421552 is about 11420.2255669492. The cubic root of 130421552 is about 507.1266744102.
Adding to 130421552 its reverse (255124031), we get a palindrome (385545583).
The spelling of 130421552 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred fifty-two".
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