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427925 = 5217117
BaseRepresentation
bin1101000011110010101
3210202000002
41220132111
5102143200
613101045
73431411
oct1503625
9722002
10427925
11272563
12187785
1311ca14
14b1d41
1586bd5
hex68795

427925 has 6 divisors (see below), whose sum is σ = 530658. Its totient is φ = 342320.

The previous prime is 427919. The next prime is 427939. The reversal of 427925 is 529724.

It can be written as a sum of positive squares in 3 ways, for example, as 6724 + 421201 = 82^2 + 649^2 .

It is a de Polignac number, because none of the positive numbers 2k-427925 is a prime.

It is a d-powerful number, because it can be written as 4 + 212 + 9 + 75 + 214 + 58 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427925.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8534 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (88443).

2427925 is an apocalyptic number.

It is an amenable number.

427925 is a deficient number, since it is larger than the sum of its proper divisors (102733).

427925 is a wasteful number, since it uses less digits than its factorization.

427925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17127 (or 17122 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 427925 is about 654.1597664180. The cubic root of 427925 is about 75.3568182363.

The spelling of 427925 in words is "four hundred twenty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 25 17117 85585 427925