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474278069 is a prime number
BaseRepresentation
bin11100010001001…
…110100010110101
31020001102211012102
4130101032202311
51432403344234
6115021231445
714516203616
oct3421164265
91201384172
10474278069
11223799151
12112a02585
137734a415
1446dbbc0d
152b986c7e
hex1c44e8b5

474278069 has 2 divisors, whose sum is σ = 474278070. Its totient is φ = 474278068.

The previous prime is 474278041. The next prime is 474278107. The reversal of 474278069 is 960872474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286861969 + 187416100 = 16937^2 + 13690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-474278069 is a prime.

It is a super-2 number, since 2×4742780692 = 449879373468737522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474278029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237139034 + 237139035.

It is an arithmetic number, because the mean of its divisors is an integer number (237139035).

Almost surely, 2474278069 is an apocalyptic number.

It is an amenable number.

474278069 is a deficient number, since it is larger than the sum of its proper divisors (1).

474278069 is an equidigital number, since it uses as much as digits as its factorization.

474278069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 474278069 is about 21777.9261868526. The cubic root of 474278069 is about 779.8498883821.

The spelling of 474278069 in words is "four hundred seventy-four million, two hundred seventy-eight thousand, sixty-nine".