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427743 = 3247527
BaseRepresentation
bin1101000011011011111
3210201202100
41220123133
5102141433
613100143
73431031
oct1503337
9721670
10427743
11272408
12187653
1311c904
14b1c51
1586b13
hex686df

427743 has 6 divisors (see below), whose sum is σ = 617864. Its totient is φ = 285156.

The previous prime is 427733. The next prime is 427751. The reversal of 427743 is 347724.

It is not a de Polignac number, because 427743 - 24 = 427727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23755 + ... + 23772.

2427743 is an apocalyptic number.

427743 is a deficient number, since it is larger than the sum of its proper divisors (190121).

427743 is a wasteful number, since it uses less digits than its factorization.

427743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47533 (or 47530 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 427743 is about 654.0206418761. The cubic root of 427743 is about 75.3461334312.

Subtracting from 427743 its sum of digits (27), we obtain a square (427716 = 6542).

The spelling of 427743 in words is "four hundred twenty-seven thousand, seven hundred forty-three", and thus it is an iban number.

Divisors: 1 3 9 47527 142581 427743