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2057479 is a prime number
BaseRepresentation
bin111110110010100000111
310212112022221
413312110013
51011314404
6112033211
723326324
oct7662407
93775287
102057479
1111858a6
12832807
13570658
143b7b4b
152a9954
hex1f6507

2057479 has 2 divisors, whose sum is σ = 2057480. Its totient is φ = 2057478.

The previous prime is 2057477. The next prime is 2057483. The reversal of 2057479 is 9747502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2057479 - 21 = 2057477 is a prime.

Together with 2057477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028739 + 1028740.

It is an arithmetic number, because the mean of its divisors is an integer number (1028740).

22057479 is an apocalyptic number.

2057479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057479 is an equidigital number, since it uses as much as digits as its factorization.

2057479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 2057479 is about 1434.3915086196. The cubic root of 2057479 is about 127.1877068074.

The spelling of 2057479 in words is "two million, fifty-seven thousand, four hundred seventy-nine".