Base | Representation |
---|---|
bin | 101010100010101… |
… | …0010100100011010 |
3 | 10200110222222110122 |
4 | 1111011102210122 |
5 | 10410411401023 |
6 | 353351113242 |
7 | 50242061132 |
oct | 12505224432 |
9 | 3613888418 |
10 | 1427450138 |
11 | 672838464 |
12 | 33a072822 |
13 | 19996cc6a |
14 | d7819ac2 |
15 | 854b82c8 |
hex | 5515291a |
1427450138 has 8 divisors (see below), whose sum is σ = 2142201600. Its totient is φ = 713382940.
The previous prime is 1427450099. The next prime is 1427450147. The reversal of 1427450138 is 8310547241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×14274501382 = 4075227792952438088, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1427450098 and 1427450107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165818 + ... + 174213.
It is an arithmetic number, because the mean of its divisors is an integer number (267775200).
Almost surely, 21427450138 is an apocalyptic number.
1427450138 is a deficient number, since it is larger than the sum of its proper divisors (714751462).
1427450138 is a wasteful number, since it uses less digits than its factorization.
1427450138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 342132.
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 1427450138 is about 37781.6111091097. The cubic root of 1427450138 is about 1125.9531380518.
Adding to 1427450138 its reverse (8310547241), we get a palindrome (9737997379).
The spelling of 1427450138 in words is "one billion, four hundred twenty-seven million, four hundred fifty thousand, one hundred thirty-eight".
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