Base | Representation |
---|---|
bin | 111110011010111… |
… | …101001110101010 |
3 | 2200222121000022121 |
4 | 332122331032222 |
5 | 4121044111210 |
6 | 251530141454 |
7 | 34644340312 |
oct | 7632751652 |
9 | 2628530277 |
10 | 1047253930 |
11 | 498169418 |
12 | 25288188a |
13 | 138c736a8 |
14 | 9d12c442 |
15 | 61e176da |
hex | 3e6bd3aa |
1047253930 has 8 divisors (see below), whose sum is σ = 1885057092. Its totient is φ = 418901568.
The previous prime is 1047253861. The next prime is 1047253931. The reversal of 1047253930 is 393527401.
It can be written as a sum of positive squares in 2 ways, for example, as 985143769 + 62110161 = 31387^2 + 7881^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1047253931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52362687 + ... + 52362706.
Almost surely, 21047253930 is an apocalyptic number.
1047253930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1047253930 is a deficient number, since it is larger than the sum of its proper divisors (837803162).
1047253930 is a wasteful number, since it uses less digits than its factorization.
1047253930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104725400.
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 1047253930 is about 32361.3029712958. The cubic root of 1047253930 is about 1015.5095211725.
The spelling of 1047253930 in words is "one billion, forty-seven million, two hundred fifty-three thousand, nine hundred thirty".
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