Base | Representation |
---|---|
bin | 111111111001010… |
… | …101010101110110 |
3 | 2202201010221122000 |
4 | 333321111111312 |
5 | 4143412303410 |
6 | 254212320130 |
7 | 35364541416 |
oct | 7771252566 |
9 | 2681127560 |
10 | 1071994230 |
11 | 50012714a |
12 | 25b013046 |
13 | 141126618 |
14 | a252c646 |
15 | 641a2dc0 |
hex | 3fe55576 |
1071994230 has 32 divisors (see below), whose sum is σ = 2858652000. Its totient is φ = 285865056.
The previous prime is 1071994199. The next prime is 1071994237. The reversal of 1071994230 is 324991701.
It is a super-2 number, since 2×10719942302 = 2298343258306585800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1071994237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984905 + ... + 1985444.
It is an arithmetic number, because the mean of its divisors is an integer number (89332875).
Almost surely, 21071994230 is an apocalyptic number.
1071994230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1071994230 is an abundant number, since it is smaller than the sum of its proper divisors (1786657770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1071994230 is a wasteful number, since it uses less digits than its factorization.
1071994230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3970365 (or 3970359 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 1071994230 is about 32741.3229726595. The cubic root of 1071994230 is about 1023.4441531592. Note that the first 3 decimals are identical.
The spelling of 1071994230 in words is "one billion, seventy-one million, nine hundred ninety-four thousand, two hundred thirty".
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