Base | Representation |
---|---|
bin | 11000001010010… |
… | …010111001011011 |
3 | 1001020202000110001 |
4 | 120022102321123 |
5 | 1312232231102 |
6 | 104120033431 |
7 | 13021302223 |
oct | 3012227133 |
9 | 1036660401 |
10 | 405352027 |
11 | 1988a0a83 |
12 | b3902877 |
13 | 65c96692 |
14 | 3bb99083 |
15 | 258be487 |
hex | 18292e5b |
405352027 has 4 divisors (see below), whose sum is σ = 405458176. Its totient is φ = 405245880.
The previous prime is 405352009. The next prime is 405352037. The reversal of 405352027 is 720253504.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 405352027 - 27 = 405351899 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 405351986 and 405352004.
It is not an unprimeable number, because it can be changed into a prime (405352037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47124 + ... + 55057.
It is an arithmetic number, because the mean of its divisors is an integer number (101364544).
Almost surely, 2405352027 is an apocalyptic number.
405352027 is a deficient number, since it is larger than the sum of its proper divisors (106149).
405352027 is a wasteful number, since it uses less digits than its factorization.
405352027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106148.
The product of its (nonzero) digits is 8400, while the sum is 28.
The square root of 405352027 is about 20133.3560789055. The cubic root of 405352027 is about 740.0779239831.
The spelling of 405352027 in words is "four hundred five million, three hundred fifty-two thousand, twenty-seven".
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