Base | Representation |
---|---|
bin | 100000000000111… |
… | …0001100110100010 |
3 | 2202212022101011120 |
4 | 1000001301212202 |
5 | 4144444112023 |
6 | 254331553110 |
7 | 35422416144 |
oct | 10001614642 |
9 | 2685271146 |
10 | 1074207138 |
11 | 5013a87a4 |
12 | 25b8bb796 |
13 | 14171c934 |
14 | a2946c94 |
15 | 6448d8e3 |
hex | 400719a2 |
1074207138 has 16 divisors (see below), whose sum is σ = 2178674496. Its totient is φ = 353025680.
The previous prime is 1074207109. The next prime is 1074207139. The reversal of 1074207138 is 8317024701.
It is a happy number.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1074207099 and 1074207108.
It is not an unprimeable number, because it can be changed into a prime (1074207139) 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, 1260381 + ... + 1261232.
It is an arithmetic number, because the mean of its divisors is an integer number (136167156).
Almost surely, 21074207138 is an apocalyptic number.
1074207138 is an abundant number, since it is smaller than the sum of its proper divisors (1104467358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1074207138 is a wasteful number, since it uses less digits than its factorization.
1074207138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2521689.
The product of its (nonzero) digits is 9408, while the sum is 33.
The square root of 1074207138 is about 32775.0993591171. The cubic root of 1074207138 is about 1024.1478979748.
The spelling of 1074207138 in words is "one billion, seventy-four million, two hundred seven thousand, one hundred thirty-eight".
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