Base | Representation |
---|---|
bin | 10110100010000… |
… | …100111011010001 |
3 | 222100100000011201 |
4 | 112202010323101 |
5 | 1233234004300 |
6 | 101302311201 |
7 | 12240134413 |
oct | 2642047321 |
9 | 870300151 |
10 | 378031825 |
11 | 1844309a6 |
12 | a6728501 |
13 | 6041c392 |
14 | 382c69b3 |
15 | 232c466a |
hex | 16884ed1 |
378031825 has 12 divisors (see below), whose sum is σ = 483881728. Its totient is φ = 292669200.
The previous prime is 378031817. The next prime is 378031867. The reversal of 378031825 is 528130873.
It is not a de Polignac number, because 378031825 - 23 = 378031817 is a prime.
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 11 ways as a sum of consecutive naturals, for example, 243117 + ... + 244666.
Almost surely, 2378031825 is an apocalyptic number.
It is an amenable number.
378031825 is a deficient number, since it is larger than the sum of its proper divisors (105849903).
378031825 is a wasteful number, since it uses less digits than its factorization.
378031825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 487824 (or 487819 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 378031825 is about 19443.0405286828. The cubic root of 378031825 is about 723.0629704232.
The spelling of 378031825 in words is "three hundred seventy-eight million, thirty-one thousand, eight hundred twenty-five".
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