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2742424457 is a prime number
BaseRepresentation
bin1010001101110110…
…0001001110001001
321002010100121010012
42203131201032021
521104030040312
61132043401305
7124650136403
oct24335411611
97063317105
102742424457
1111880330a3
12646523235
1334921b986
141c0317b73
15110b65322
hexa3761389

2742424457 has 2 divisors, whose sum is σ = 2742424458. Its totient is φ = 2742424456.

The previous prime is 2742424439. The next prime is 2742424463. The reversal of 2742424457 is 7544242472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2505603136 + 236821321 = 50056^2 + 15389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742424457 - 210 = 2742423433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2742424427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371212228 + 1371212229.

It is an arithmetic number, because the mean of its divisors is an integer number (1371212229).

Almost surely, 22742424457 is an apocalyptic number.

It is an amenable number.

2742424457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742424457 is an equidigital number, since it uses as much as digits as its factorization.

2742424457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 501760, while the sum is 41.

The square root of 2742424457 is about 52368.1626276882. The cubic root of 2742424457 is about 1399.7319992103.

The spelling of 2742424457 in words is "two billion, seven hundred forty-two million, four hundred twenty-four thousand, four hundred fifty-seven".