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69472297 is a prime number
BaseRepresentation
bin1000010010000…
…01000000101001
311211201120002001
410021001000221
5120241103142
610521011001
71502335066
oct411010051
9154646061
1069472297
1136240624
121b323a61
131151558b
149325c6d
1561745b7
hex4241029

69472297 has 2 divisors, whose sum is σ = 69472298. Its totient is φ = 69472296.

The previous prime is 69472279. The next prime is 69472301. The reversal of 69472297 is 79227496.

It is a happy number.

Together with previous prime (69472279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55115776 + 14356521 = 7424^2 + 3789^2 .

It is a cyclic number.

It is not a de Polignac number, because 69472297 - 215 = 69439529 is a prime.

It is not a weakly prime, because it can be changed into another prime (69472097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34736148 + 34736149.

It is an arithmetic number, because the mean of its divisors is an integer number (34736149).

Almost surely, 269472297 is an apocalyptic number.

It is an amenable number.

69472297 is a deficient number, since it is larger than the sum of its proper divisors (1).

69472297 is an equidigital number, since it uses as much as digits as its factorization.

69472297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 69472297 is about 8335.0043191351. The cubic root of 69472297 is about 411.0902906237.

The spelling of 69472297 in words is "sixty-nine million, four hundred seventy-two thousand, two hundred ninety-seven".