Base | Representation |
---|---|
bin | 10110101011111… |
… | …010011011010101 |
3 | 222112012000010100 |
4 | 112223322123111 |
5 | 1234414012021 |
6 | 101433444313 |
7 | 12301063623 |
oct | 2653723325 |
9 | 875160110 |
10 | 380610261 |
11 | 185932139 |
12 | a7570699 |
13 | 60b12b95 |
14 | 38798513 |
15 | 23633626 |
hex | 16afa6d5 |
380610261 has 12 divisors (see below), whose sum is σ = 578705920. Its totient is φ = 240385320.
The previous prime is 380610259. The next prime is 380610301. The reversal of 380610261 is 162016083.
It is not a de Polignac number, because 380610261 - 21 = 380610259 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380610211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112725 + ... + 1113066.
Almost surely, 2380610261 is an apocalyptic number.
It is an amenable number.
380610261 is a deficient number, since it is larger than the sum of its proper divisors (198095659).
380610261 is a wasteful number, since it uses less digits than its factorization.
380610261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2225816 (or 2225813 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 380610261 is about 19509.2352746078. The cubic root of 380610261 is about 724.7031752028.
The spelling of 380610261 in words is "three hundred eighty million, six hundred ten thousand, two hundred sixty-one".
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