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397065371 is a prime number
BaseRepresentation
bin10111101010101…
…011110010011011
31000200011000021212
4113222223302123
51303122042441
6103222253335
712560666663
oct2752536233
91020130255
10397065371
111941510aa
12b0b8724b
1364354931
143aa3d1a3
1524cd3eeb
hex17aabc9b

397065371 has 2 divisors, whose sum is σ = 397065372. Its totient is φ = 397065370.

The previous prime is 397065359. The next prime is 397065433. The reversal of 397065371 is 173560793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397065371 - 214 = 397048987 is a prime.

It is not a weakly prime, because it can be changed into another prime (397065271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198532685 + 198532686.

It is an arithmetic number, because the mean of its divisors is an integer number (198532686).

Almost surely, 2397065371 is an apocalyptic number.

397065371 is a deficient number, since it is larger than the sum of its proper divisors (1).

397065371 is an equidigital number, since it uses as much as digits as its factorization.

397065371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 397065371 is about 19926.4992158683. The cubic root of 397065371 is about 734.9999975319. Note that the first 5 decimals are identical.

The spelling of 397065371 in words is "three hundred ninety-seven million, sixty-five thousand, three hundred seventy-one".