Base | Representation |
---|---|
bin | 10110101100100… |
… | …000011110111001 |
3 | 222112110220221112 |
4 | 112230200132321 |
5 | 1234434004022 |
6 | 101441050105 |
7 | 12302313233 |
oct | 2654403671 |
9 | 875426845 |
10 | 380766137 |
11 | 185a29264 |
12 | a7626935 |
13 | 60b68b0b |
14 | 387d9253 |
15 | 236648e2 |
hex | 16b207b9 |
380766137 has 4 divisors (see below), whose sum is σ = 400806480. Its totient is φ = 360725796.
The previous prime is 380766109. The next prime is 380766157. The reversal of 380766137 is 731667083.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-380766137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 380766094 and 380766103.
It is not an unprimeable number, because it can be changed into a prime (380766157) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10020143 + ... + 10020180.
It is an arithmetic number, because the mean of its divisors is an integer number (100201620).
Almost surely, 2380766137 is an apocalyptic number.
It is an amenable number.
380766137 is a deficient number, since it is larger than the sum of its proper divisors (20040343).
380766137 is a wasteful number, since it uses less digits than its factorization.
380766137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20040342.
The product of its (nonzero) digits is 127008, while the sum is 41.
The square root of 380766137 is about 19513.2297941679. The cubic root of 380766137 is about 724.8020939009.
The spelling of 380766137 in words is "three hundred eighty million, seven hundred sixty-six thousand, one hundred thirty-seven".
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