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1027429 = 13174649
BaseRepresentation
bin11111010110101100101
31221012100221
43322311211
5230334204
634004341
711506264
oct3726545
91835327
101027429
11641a17
124166b1
1329c860
141ca5db
15154654
hexfad65

1027429 has 8 divisors (see below), whose sum is σ = 1171800. Its totient is φ = 892416.

The previous prime is 1027427. The next prime is 1027459. The reversal of 1027429 is 9247201.

It can be written as a sum of positive squares in 4 ways, for example, as 390625 + 636804 = 625^2 + 798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1027429 - 21 = 1027427 is a prime.

It is a super-2 number, since 2×10274292 = 2111220700082, which contains 22 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 (1027421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (146475).

21027429 is an apocalyptic number.

It is an amenable number.

1027429 is a deficient number, since it is larger than the sum of its proper divisors (144371).

1027429 is a wasteful number, since it uses less digits than its factorization.

1027429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1027429 is about 1013.6217243134. The cubic root of 1027429 is about 100.9060656556.

The spelling of 1027429 in words is "one million, twenty-seven thousand, four hundred twenty-nine".

Divisors: 1 13 17 221 4649 60437 79033 1027429