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1427693 = 3793767
BaseRepresentation
bin101011100100011101101
32200112102112
411130203231
5331141233
650333405
715064241
oct5344355
92615375
101427693
11895713
1258a265
133acab7
14292421
151d3048
hex15c8ed

1427693 has 4 divisors (see below), whose sum is σ = 1431840. Its totient is φ = 1423548.

The previous prime is 1427687. The next prime is 1427707. The reversal of 1427693 is 3967241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1427693 - 210 = 1426669 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (357960).

21427693 is an apocalyptic number.

It is an amenable number.

1427693 is a deficient number, since it is larger than the sum of its proper divisors (4147).

1427693 is an equidigital number, since it uses as much as digits as its factorization.

1427693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146.

The product of its digits is 9072, while the sum is 32.

The square root of 1427693 is about 1194.8610797913. The cubic root of 1427693 is about 112.6016989838.

The spelling of 1427693 in words is "one million, four hundred twenty-seven thousand, six hundred ninety-three".

Divisors: 1 379 3767 1427693