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407070971 is a prime number
BaseRepresentation
bin11000010000110…
…110100011111011
31001100222100101122
4120100312203323
51313202232341
6104220535455
713042021556
oct3020664373
91040870348
10407070971
1119986549a
12b43b158b
1366448bc8
143c0c569d
1525b0d94b
hex184368fb

407070971 has 2 divisors, whose sum is σ = 407070972. Its totient is φ = 407070970.

The previous prime is 407070949. The next prime is 407070973. The reversal of 407070971 is 179070704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 407070971 - 214 = 407054587 is a prime.

Together with 407070973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (407070973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203535485 + 203535486.

It is an arithmetic number, because the mean of its divisors is an integer number (203535486).

Almost surely, 2407070971 is an apocalyptic number.

407070971 is a deficient number, since it is larger than the sum of its proper divisors (1).

407070971 is an equidigital number, since it uses as much as digits as its factorization.

407070971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 407070971 is about 20175.9998760904. Note that the first 3 decimals coincide. The cubic root of 407070971 is about 741.1225785124.

The spelling of 407070971 in words is "four hundred seven million, seventy thousand, nine hundred seventy-one".