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1377089 = 7196727
BaseRepresentation
bin101010000001101000001
32120222000022
411100031001
5323031324
645303225
714463560
oct5201501
92528008
101377089
1186069a
12564b15
13392a5c
1427bbd7
151c305e
hex150341

1377089 has 4 divisors (see below), whose sum is σ = 1573824. Its totient is φ = 1180356.

The previous prime is 1377071. The next prime is 1377107. The reversal of 1377089 is 9807731.

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 an interprime number because it is at equal distance from previous prime (1377071) and next prime (1377107).

It is a cyclic number.

It is not a de Polignac number, because 1377089 - 216 = 1311553 is a prime.

It is a super-2 number, since 2×13770892 = 3792748227842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1377589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98357 + ... + 98370.

It is an arithmetic number, because the mean of its divisors is an integer number (393456).

21377089 is an apocalyptic number.

It is an amenable number.

1377089 is a deficient number, since it is larger than the sum of its proper divisors (196735).

1377089 is an equidigital number, since it uses as much as digits as its factorization.

1377089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196734.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1377089 is about 1173.4943544815. The cubic root of 1377089 is about 111.2552899054.

The spelling of 1377089 in words is "one million, three hundred seventy-seven thousand, eighty-nine".

Divisors: 1 7 196727 1377089