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804064031 is a prime number
BaseRepresentation
bin101111111011010…
…000101100011111
32002000222200111022
4233323100230133
53121320022111
6211441514355
725632301001
oct5773205437
92060880438
10804064031
11382967231
121a53429bb
13ca776944
1478b06371
154a8cb2db
hex2fed0b1f

804064031 has 2 divisors, whose sum is σ = 804064032. Its totient is φ = 804064030.

The previous prime is 804064013. The next prime is 804064033. The reversal of 804064031 is 130460408.

Together with previous prime (804064013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804064031 - 222 = 799869727 is a prime.

It is a super-2 number, since 2×8040640312 = 1293037931895937922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 804064033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804064033) 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 as a sum of consecutive naturals, namely, 402032015 + 402032016.

It is an arithmetic number, because the mean of its divisors is an integer number (402032016).

Almost surely, 2804064031 is an apocalyptic number.

804064031 is a deficient number, since it is larger than the sum of its proper divisors (1).

804064031 is an equidigital number, since it uses as much as digits as its factorization.

804064031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 804064031 is about 28356.0228346642. The cubic root of 804064031 is about 929.8870757404.

The spelling of 804064031 in words is "eight hundred four million, sixty-four thousand, thirty-one".