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1000423025 = 5277378311
BaseRepresentation
bin111011101000010…
…011111001110001
32120201110202101122
4323220103321301
54022102014100
6243134312025
733535312130
oct7350237161
92521422348
101000423025
11473792698
1223b058615
1312c3578b4
1496c1b917
155cc66985
hex3ba13e71

1000423025 has 24 divisors (see below), whose sum is σ = 1437181824. Its totient is φ = 676598400.

The previous prime is 1000423007. The next prime is 1000423031. The reversal of 1000423025 is 5203240001.

It is not a de Polignac number, because 1000423025 - 26 = 1000422961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000422994 and 1000423012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26381 + ... + 51930.

It is an arithmetic number, because the mean of its divisors is an integer number (59882576).

Almost surely, 21000423025 is an apocalyptic number.

It is an amenable number.

1000423025 is a deficient number, since it is larger than the sum of its proper divisors (436758799).

1000423025 is an equidigital number, since it uses as much as digits as its factorization.

1000423025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78401 (or 78396 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1000423025 is about 31629.4645070068. The cubic root of 1000423025 is about 1000.1409884547.

Adding to 1000423025 its reverse (5203240001), we get a palindrome (6203663026).

The spelling of 1000423025 in words is "one billion, four hundred twenty-three thousand, twenty-five".

Divisors: 1 5 7 25 35 73 175 365 511 1825 2555 12775 78311 391555 548177 1957775 2740885 5716703 13704425 28583515 40016921 142917575 200084605 1000423025