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820048967 is a prime number
BaseRepresentation
bin110000111000001…
…111010001000111
32010011001210200222
4300320033101013
53134413031332
6213212254555
726215205213
oct6070172107
92104053628
10820048967
11390994a21
121aa77145b
13100b8269a
147aca7943
154bed7712
hex30e0f447

820048967 has 2 divisors, whose sum is σ = 820048968. Its totient is φ = 820048966.

The previous prime is 820048849. The next prime is 820049003. The reversal of 820048967 is 769840028.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-820048967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (820048067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410024483 + 410024484.

It is an arithmetic number, because the mean of its divisors is an integer number (410024484).

Almost surely, 2820048967 is an apocalyptic number.

820048967 is a deficient number, since it is larger than the sum of its proper divisors (1).

820048967 is an equidigital number, since it uses as much as digits as its factorization.

820048967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 820048967 is about 28636.4971146961. The cubic root of 820048967 is about 936.0087930938.

The spelling of 820048967 in words is "eight hundred twenty million, forty-eight thousand, nine hundred sixty-seven".