Base | Representation |
---|---|
bin | 111101000000001… |
… | …011100011111010 |
3 | 2122022211000210110 |
4 | 331000023203322 |
5 | 4044001120110 |
6 | 245320125150 |
7 | 34235150124 |
oct | 7500134372 |
9 | 2568730713 |
10 | 1023457530 |
11 | 485795877 |
12 | 2469067b6 |
13 | 134061294 |
14 | 99cd6214 |
15 | 5ecb6a20 |
hex | 3d00b8fa |
1023457530 has 16 divisors (see below), whose sum is σ = 2456298144. Its totient is φ = 272922000.
The previous prime is 1023457517. The next prime is 1023457559. The reversal of 1023457530 is 357543201.
1023457530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 34115251 = 1023457530 / (1 + 0 + 2 + 3 + 4 + 5 + 7 + 5 + 3 + 0).
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, 17057596 + ... + 17057655.
It is an arithmetic number, because the mean of its divisors is an integer number (153518634).
Almost surely, 21023457530 is an apocalyptic number.
1023457530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1023457530 is an abundant number, since it is smaller than the sum of its proper divisors (1432840614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1023457530 is a wasteful number, since it uses less digits than its factorization.
1023457530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34115261.
The product of its (nonzero) digits is 12600, while the sum is 30.
The square root of 1023457530 is about 31991.5227833875. The cubic root of 1023457530 is about 1007.7588216612.
The spelling of 1023457530 in words is "one billion, twenty-three million, four hundred fifty-seven thousand, five hundred thirty".
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