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319797029 is a prime number
BaseRepresentation
bin10011000011111…
…011011100100101
3211021202101001102
4103003323130211
51123332001104
651422205445
710632141566
oct2303733445
9737671042
10319797029
11154576272
128b123885
135133ca16
143068816d
151d11ea1e
hex130fb725

319797029 has 2 divisors, whose sum is σ = 319797030. Its totient is φ = 319797028.

The previous prime is 319797019. The next prime is 319797043. The reversal of 319797029 is 920797913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318801025 + 996004 = 17855^2 + 998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-319797029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319797019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159898514 + 159898515.

It is an arithmetic number, because the mean of its divisors is an integer number (159898515).

Almost surely, 2319797029 is an apocalyptic number.

It is an amenable number.

319797029 is a deficient number, since it is larger than the sum of its proper divisors (1).

319797029 is an equidigital number, since it uses as much as digits as its factorization.

319797029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 319797029 is about 17882.8697081872. The cubic root of 319797029 is about 683.8457332810.

The spelling of 319797029 in words is "three hundred nineteen million, seven hundred ninety-seven thousand, twenty-nine".