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1382149 = 4332143
BaseRepresentation
bin101010001011100000101
32121012221201
411101130011
5323212044
645342501
714514406
oct5213405
92535851
101382149
1186447a
12567a31
13395152
1427d9ad
151c47d4
hex151705

1382149 has 4 divisors (see below), whose sum is σ = 1414336. Its totient is φ = 1349964.

The previous prime is 1382123. The next prime is 1382159. The reversal of 1382149 is 9412831.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9412831 = 47200273.

It is a cyclic number.

It is not a de Polignac number, because 1382149 - 27 = 1382021 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 (1382159) 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, 16029 + ... + 16114.

It is an arithmetic number, because the mean of its divisors is an integer number (353584).

21382149 is an apocalyptic number.

It is an amenable number.

1382149 is a deficient number, since it is larger than the sum of its proper divisors (32187).

1382149 is an equidigital number, since it uses as much as digits as its factorization.

1382149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32186.

The product of its digits is 1728, while the sum is 28.

The square root of 1382149 is about 1175.6483317727. The cubic root of 1382149 is about 111.3913894759.

The spelling of 1382149 in words is "one million, three hundred eighty-two thousand, one hundred forty-nine".

Divisors: 1 43 32143 1382149