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401471479 is a prime number
BaseRepresentation
bin10111111011011…
…111011111110111
31000222102212100001
4113323133133313
51310234041404
6103500532131
712643310533
oct2773373767
91028385301
10401471479
11196690512
12b2551047
13652382b6
143b468bc3
15253a47a4
hex17edf7f7

401471479 has 2 divisors, whose sum is σ = 401471480. Its totient is φ = 401471478.

The previous prime is 401471461. The next prime is 401471491. The reversal of 401471479 is 974174104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401471479 - 27 = 401471351 is a prime.

It is a super-2 number, since 2×4014714792 = 322358696900894882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401471419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200735739 + 200735740.

It is an arithmetic number, because the mean of its divisors is an integer number (200735740).

Almost surely, 2401471479 is an apocalyptic number.

401471479 is a deficient number, since it is larger than the sum of its proper divisors (1).

401471479 is an equidigital number, since it uses as much as digits as its factorization.

401471479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 401471479 is about 20036.7532050480. The cubic root of 401471479 is about 737.7086899217.

The spelling of 401471479 in words is "four hundred one million, four hundred seventy-one thousand, four hundred seventy-nine".