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1000321429 = 1758842437
BaseRepresentation
bin111011100111111…
…011000110010101
32120201021121000211
4323213323012111
54022040241204
6243132205421
733534410002
oct7347730625
92521247024
101000321429
11473723328
1223b009871
1312c320593
1496bd28a9
155cc46804
hex3b9fb195

1000321429 has 4 divisors (see below), whose sum is σ = 1059163884. Its totient is φ = 941478976.

The previous prime is 1000321411. The next prime is 1000321453. The reversal of 1000321429 is 9241230001.

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 417098929 + 583222500 = 20423^2 + 24150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000321429 - 25 = 1000321397 is a prime.

It is a super-2 number, since 2×10003214292 = 2001285922633204082, 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 (1000325429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29421202 + ... + 29421235.

It is an arithmetic number, because the mean of its divisors is an integer number (264790971).

Almost surely, 21000321429 is an apocalyptic number.

It is an amenable number.

1000321429 is a deficient number, since it is larger than the sum of its proper divisors (58842455).

1000321429 is an equidigital number, since it uses as much as digits as its factorization.

1000321429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58842454.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1000321429 is about 31627.8584320848. The cubic root of 1000321429 is about 1000.1071315224.

The spelling of 1000321429 in words is "one billion, three hundred twenty-one thousand, four hundred twenty-nine".

Divisors: 1 17 58842437 1000321429