Base | Representation |
---|---|
bin | 10110111110010… |
… | …001011001001101 |
3 | 222212020111212011 |
4 | 112332101121031 |
5 | 1242132013200 |
6 | 102124541221 |
7 | 12360016666 |
oct | 2676213115 |
9 | 885214764 |
10 | 385422925 |
11 | 188619a48 |
12 | a90b1811 |
13 | 61b09604 |
14 | 3928c36d |
15 | 23c845ba |
hex | 16f9164d |
385422925 has 6 divisors (see below), whose sum is σ = 477924458. Its totient is φ = 308338320.
The previous prime is 385422901. The next prime is 385422959. The reversal of 385422925 is 529224583.
It can be written as a sum of positive squares in 3 ways, for example, as 243049 + 385179876 = 493^2 + 19626^2 .
It is not a de Polignac number, because 385422925 - 27 = 385422797 is a prime.
It is a super-2 number, since 2×3854229252 = 297101662231111250, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7708434 + ... + 7708483.
Almost surely, 2385422925 is an apocalyptic number.
It is an amenable number.
385422925 is a deficient number, since it is larger than the sum of its proper divisors (92501533).
385422925 is a wasteful number, since it uses less digits than its factorization.
385422925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15416927 (or 15416922 counting only the distinct ones).
The product of its digits is 172800, while the sum is 40.
The square root of 385422925 is about 19632.1910392090. The cubic root of 385422925 is about 727.7449174000.
The spelling of 385422925 in words is "three hundred eighty-five million, four hundred twenty-two thousand, nine hundred twenty-five".
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