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42054827 is a prime number
BaseRepresentation
bin1010000001101…
…1010010101011
32221010121101012
42200123102223
541231223302
64101214135
71020313553
oct240332253
987117335
1042054827
1121814461
121210134b
138935c19
14582a163
153a5aa52
hex281b4ab

42054827 has 2 divisors, whose sum is σ = 42054828. Its totient is φ = 42054826.

The previous prime is 42054767. The next prime is 42054839. The reversal of 42054827 is 72845024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42054827 - 212 = 42050731 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42054793 and 42054802.

It is not a weakly prime, because it can be changed into another prime (42054877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21027413 + 21027414.

It is an arithmetic number, because the mean of its divisors is an integer number (21027414).

Almost surely, 242054827 is an apocalyptic number.

42054827 is a deficient number, since it is larger than the sum of its proper divisors (1).

42054827 is an equidigital number, since it uses as much as digits as its factorization.

42054827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42054827 is about 6484.9693137285. The cubic root of 42054827 is about 347.7538527782.

The spelling of 42054827 in words is "forty-two million, fifty-four thousand, eight hundred twenty-seven".