Base | Representation |
---|---|
bin | 10110101011111… |
… | …010000110110011 |
3 | 222112011221022200 |
4 | 112223322012303 |
5 | 1234413441242 |
6 | 101433434243 |
7 | 12301060035 |
oct | 2653720663 |
9 | 875157280 |
10 | 380608947 |
11 | 185931154 |
12 | a756b983 |
13 | 60b123c4 |
14 | 38797c55 |
15 | 2363304c |
hex | 16afa1b3 |
380608947 has 12 divisors (see below), whose sum is σ = 552649344. Its totient is φ = 252409680.
The previous prime is 380608909. The next prime is 380608957. The reversal of 380608947 is 749806083.
It is a happy number.
380608947 is a `hidden beast` number, since 38 + 0 + 608 + 9 + 4 + 7 = 666.
It is not a de Polignac number, because 380608947 - 26 = 380608883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (380608957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108988 + ... + 112425.
It is an arithmetic number, because the mean of its divisors is an integer number (46054112).
Almost surely, 2380608947 is an apocalyptic number.
380608947 is a deficient number, since it is larger than the sum of its proper divisors (172040397).
380608947 is a wasteful number, since it uses less digits than its factorization.
380608947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221610 (or 221607 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 380608947 is about 19509.2015982203. The cubic root of 380608947 is about 724.7023412254.
The spelling of 380608947 in words is "three hundred eighty million, six hundred eight thousand, nine hundred forty-seven".
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