Base | Representation |
---|---|
bin | 10111100100010… |
… | …101110011011101 |
3 | 1000120000112012121 |
4 | 113210111303131 |
5 | 1302210334321 |
6 | 103122502541 |
7 | 12540602566 |
oct | 2744256335 |
9 | 1016015177 |
10 | 395402461 |
11 | 1932157a3 |
12 | b0504a51 |
13 | 63bc1a6c |
14 | 3a72916d |
15 | 24aa6441 |
hex | 17915cdd |
395402461 has 8 divisors (see below), whose sum is σ = 406418360. Its totient is φ = 384403968.
The previous prime is 395402431. The next prime is 395402503. The reversal of 395402461 is 164204593.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 176066361 + 219336100 = 13269^2 + 14810^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 395402461 - 25 = 395402429 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (395402411) 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 7 ways as a sum of consecutive naturals, for example, 51505 + ... + 58681.
It is an arithmetic number, because the mean of its divisors is an integer number (50802295).
Almost surely, 2395402461 is an apocalyptic number.
It is an amenable number.
395402461 is a deficient number, since it is larger than the sum of its proper divisors (11015899).
395402461 is a wasteful number, since it uses less digits than its factorization.
395402461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8703.
The product of its (nonzero) digits is 25920, while the sum is 34.
The square root of 395402461 is about 19884.7293418844. The cubic root of 395402461 is about 733.9725016736.
The spelling of 395402461 in words is "three hundred ninety-five million, four hundred two thousand, four hundred sixty-one".
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