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2257949671 is a prime number
BaseRepresentation
bin1000011010010101…
…1001001111100111
312211100201201122121
42012211121033213
514111013342141
61012015410411
7106645153435
oct20645311747
95740651577
102257949671
11a5961000a
12530223a07
1329ca412c3
14175c43d55
15d33671d1
hex869593e7

2257949671 has 2 divisors, whose sum is σ = 2257949672. Its totient is φ = 2257949670.

The previous prime is 2257949621. The next prime is 2257949677. The reversal of 2257949671 is 1769497522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2257949671 - 217 = 2257818599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257949677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128974835 + 1128974836.

It is an arithmetic number, because the mean of its divisors is an integer number (1128974836).

Almost surely, 22257949671 is an apocalyptic number.

2257949671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257949671 is an equidigital number, since it uses as much as digits as its factorization.

2257949671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The square root of 2257949671 is about 47517.8879055035. The cubic root of 2257949671 is about 1311.9121447389.

The spelling of 2257949671 in words is "two billion, two hundred fifty-seven million, nine hundred forty-nine thousand, six hundred seventy-one".