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407068997 is a prime number
BaseRepresentation
bin11000010000110…
…110000101000101
31001100222020200112
4120100312011011
51313202201442
6104220522405
713042013036
oct3020660505
91040866615
10407068997
11199863a65
12b43b0405
136644803a
143c0c4a8d
1525b0d082
hex18436145

407068997 has 2 divisors, whose sum is σ = 407068998. Its totient is φ = 407068996.

The previous prime is 407068919. The next prime is 407068999. The reversal of 407068997 is 799860704.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332661121 + 74407876 = 18239^2 + 8626^2 .

It is a cyclic number.

It is not a de Polignac number, because 407068997 - 216 = 407003461 is a prime.

Together with 407068999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407068999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203534498 + 203534499.

It is an arithmetic number, because the mean of its divisors is an integer number (203534499).

Almost surely, 2407068997 is an apocalyptic number.

It is an amenable number.

407068997 is a deficient number, since it is larger than the sum of its proper divisors (1).

407068997 is an equidigital number, since it uses as much as digits as its factorization.

407068997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 407068997 is about 20175.9509565225. The cubic root of 407068997 is about 741.1213805408.

The spelling of 407068997 in words is "four hundred seven million, sixty-eight thousand, nine hundred ninety-seven".