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427425 = 35241139
BaseRepresentation
bin1101000010110100001
3210201022120
41220112201
5102134200
613054453
73430065
oct1502641
9721276
10427425
11272149
12187429
1311c71b
14b1aa5
15869a0
hex685a1

427425 has 24 divisors (see below), whose sum is σ = 729120. Its totient is φ = 220800.

The previous prime is 427423. The next prime is 427429. The reversal of 427425 is 524724.

It is not a de Polignac number, because 427425 - 21 = 427423 is a prime.

427425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 427395 and 427404.

It is not an unprimeable number, because it can be changed into a prime (427421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3006 + ... + 3144.

It is an arithmetic number, because the mean of its divisors is an integer number (30380).

2427425 is an apocalyptic number.

It is an amenable number.

427425 is a deficient number, since it is larger than the sum of its proper divisors (301695).

427425 is a wasteful number, since it uses less digits than its factorization.

427425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 188 counting only the distinct ones).

The product of its digits is 2240, while the sum is 24.

The square root of 427425 is about 653.7774850819. Note that the first 3 decimals coincide. The cubic root of 427425 is about 75.3274570994.

The spelling of 427425 in words is "four hundred twenty-seven thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 41 75 123 139 205 417 615 695 1025 2085 3075 3475 5699 10425 17097 28495 85485 142475 427425