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427505 = 5136577
BaseRepresentation
bin1101000010111110001
3210201102112
41220113301
5102140010
613055105
73430241
oct1502761
9721375
10427505
11272211
12187495
1311c780
14b1b21
1586a05
hex685f1

427505 has 8 divisors (see below), whose sum is σ = 552552. Its totient is φ = 315648.

The previous prime is 427477. The next prime is 427513. The reversal of 427505 is 505724.

It can be written as a sum of positive squares in 4 ways, for example, as 87616 + 339889 = 296^2 + 583^2 .

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 427505 - 28 = 427249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3224 + ... + 3353.

It is an arithmetic number, because the mean of its divisors is an integer number (69069).

2427505 is an apocalyptic number.

It is an amenable number.

427505 is a deficient number, since it is larger than the sum of its proper divisors (125047).

427505 is a wasteful number, since it uses less digits than its factorization.

427505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 427505 is about 653.8386651155. The cubic root of 427505 is about 75.3321564195.

The spelling of 427505 in words is "four hundred twenty-seven thousand, five hundred five".

Divisors: 1 5 13 65 6577 32885 85501 427505