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201054479 is a prime number
BaseRepresentation
bin10111111101111…
…01100100001111
3112000022121220012
423332331210033
5402432220404
631541143435
74660635443
oct1376754417
9460277805
10201054479
11a354322a
12573bab7b
1332866262
141c9b8823
15129b6a6e
hexbfbd90f

201054479 has 2 divisors, whose sum is σ = 201054480. Its totient is φ = 201054478.

The previous prime is 201054467. The next prime is 201054481. The reversal of 201054479 is 974450102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201054479 is a prime.

It is a super-2 number, since 2×2010544792 = 80845807051922882, which contains 22 as substring.

Together with 201054481, 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 (201054449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100527239 + 100527240.

It is an arithmetic number, because the mean of its divisors is an integer number (100527240).

Almost surely, 2201054479 is an apocalyptic number.

201054479 is a deficient number, since it is larger than the sum of its proper divisors (1).

201054479 is an equidigital number, since it uses as much as digits as its factorization.

201054479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 201054479 is about 14179.3680747768. The cubic root of 201054479 is about 585.8295184088.

The spelling of 201054479 in words is "two hundred one million, fifty-four thousand, four hundred seventy-nine".