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427946 = 2213973
BaseRepresentation
bin1101000011110101010
3210202000212
41220132222
5102143241
613101122
73431441
oct1503652
9722025
10427946
11272582
121877a2
1311ca2c
14b1d58
1586beb
hex687aa

427946 has 4 divisors (see below), whose sum is σ = 641922. Its totient is φ = 213972.

The previous prime is 427939. The next prime is 427949. The reversal of 427946 is 649724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 235225 + 192721 = 485^2 + 439^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 44 + 29 + 93 + 76 + 49 + 66 .

It is not an unprimeable number, because it can be changed into a prime (427949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106985 + ... + 106988.

2427946 is an apocalyptic number.

427946 is a deficient number, since it is larger than the sum of its proper divisors (213976).

427946 is a wasteful number, since it uses less digits than its factorization.

427946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213975.

The product of its digits is 12096, while the sum is 32.

The square root of 427946 is about 654.1758173458. The cubic root of 427946 is about 75.3580509035.

The spelling of 427946 in words is "four hundred twenty-seven thousand, nine hundred forty-six".

Divisors: 1 2 213973 427946