Base | Representation |
---|---|
bin | 10010010000010… |
… | …01011000011001 |
3 | 101200010211120210 |
4 | 21020021120121 |
5 | 303200134041 |
6 | 23110041333 |
7 | 3536405445 |
oct | 1110113031 |
9 | 350124523 |
10 | 153130521 |
11 | 79490255 |
12 | 43349249 |
13 | 25956a9b |
14 | 164a1825 |
15 | d69c016 |
hex | 9209619 |
153130521 has 8 divisors (see below), whose sum is σ = 204248224. Its totient is φ = 102049920.
The previous prime is 153130511. The next prime is 153130541. The reversal of 153130521 is 125031351.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 153130521 - 210 = 153129497 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (153130501) 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, 2490 + ... + 17676.
It is an arithmetic number, because the mean of its divisors is an integer number (25531028).
Almost surely, 2153130521 is an apocalyptic number.
It is an amenable number.
153130521 is a deficient number, since it is larger than the sum of its proper divisors (51117703).
153130521 is a wasteful number, since it uses less digits than its factorization.
153130521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18551.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 153130521 is about 12374.5917508417. The cubic root of 153130521 is about 535.0001700294. Note that the first 3 decimals are identical.
Adding to 153130521 its reverse (125031351), we get a palindrome (278161872).
The spelling of 153130521 in words is "one hundred fifty-three million, one hundred thirty thousand, five hundred twenty-one".
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