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1379429 = 2814909
BaseRepresentation
bin101010000110001100101
32121002012222
411100301211
5323120204
645322125
714503442
oct5206145
92532188
101379429
11862427
12566345
13393b3c
1427c9c9
151c3abe
hex150c65

1379429 has 4 divisors (see below), whose sum is σ = 1384620. Its totient is φ = 1374240.

The previous prime is 1379423. The next prime is 1379447. The reversal of 1379429 is 9249731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1221025 + 158404 = 1105^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379429 - 28 = 1379173 is a prime.

It is a super-3 number, since 3×13794293 = 7874433337270711767, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379423) 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, 2174 + ... + 2735.

It is an arithmetic number, because the mean of its divisors is an integer number (346155).

21379429 is an apocalyptic number.

It is an amenable number.

1379429 is a deficient number, since it is larger than the sum of its proper divisors (5191).

1379429 is an equidigital number, since it uses as much as digits as its factorization.

1379429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190.

The product of its digits is 13608, while the sum is 35.

The square root of 1379429 is about 1174.4909535624. The cubic root of 1379429 is about 111.3182705986.

The spelling of 1379429 in words is "one million, three hundred seventy-nine thousand, four hundred twenty-nine".

Divisors: 1 281 4909 1379429