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1385827 is a prime number
BaseRepresentation
bin101010010010101100011
32121101222221
411102111203
5323321302
645411511
714531212
oct5222543
92541887
101385827
11867213
12569b97
13396a21
14281079
151c5937
hex152563

1385827 has 2 divisors, whose sum is σ = 1385828. Its totient is φ = 1385826.

The previous prime is 1385809. The next prime is 1385833. The reversal of 1385827 is 7285831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1385827 - 215 = 1353059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1385792 and 1385801.

It is not a weakly prime, because it can be changed into another prime (1385837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692913 + 692914.

It is an arithmetic number, because the mean of its divisors is an integer number (692914).

21385827 is an apocalyptic number.

1385827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385827 is an equidigital number, since it uses as much as digits as its factorization.

1385827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 1385827 is about 1177.2115357913. The cubic root of 1385827 is about 111.4901088506.

The spelling of 1385827 in words is "one million, three hundred eighty-five thousand, eight hundred twenty-seven".