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790891481 is a prime number
BaseRepresentation
bin101111001001000…
…000101111011001
32001010012110011002
4233021000233121
53104432011411
6210251314345
725412316032
oct5711005731
92033173132
10790891481
1137648a526
121a0a4b9b5
13c7b14033
1477077a89
154967833b
hex2f240bd9

790891481 has 2 divisors, whose sum is σ = 790891482. Its totient is φ = 790891480.

The previous prime is 790891477. The next prime is 790891489. The reversal of 790891481 is 184198097.

790891481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420906256 + 369985225 = 20516^2 + 19235^2 .

It is a cyclic number.

It is not a de Polignac number, because 790891481 - 22 = 790891477 is a prime.

It is a super-2 number, since 2×7908914812 = 1251018669436746722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (790891489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395445740 + 395445741.

It is an arithmetic number, because the mean of its divisors is an integer number (395445741).

Almost surely, 2790891481 is an apocalyptic number.

It is an amenable number.

790891481 is a deficient number, since it is larger than the sum of its proper divisors (1).

790891481 is an equidigital number, since it uses as much as digits as its factorization.

790891481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 790891481 is about 28122.7929089555. The cubic root of 790891481 is about 924.7811436448.

The spelling of 790891481 in words is "seven hundred ninety million, eight hundred ninety-one thousand, four hundred eighty-one".