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42374957 is a prime number
BaseRepresentation
bin1010000110100…
…1011100101101
32221201212111212
42201221130231
541321444312
64112124205
71023116102
oct241513455
987655455
1042374957
1121a12a29
1212236665
138a18851
1458b0aa9
153ac0822
hex286972d

42374957 has 2 divisors, whose sum is σ = 42374958. Its totient is φ = 42374956.

The previous prime is 42374929. The next prime is 42374971. The reversal of 42374957 is 75947324.

42374957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 630436 = 6461^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 42374957 - 214 = 42358573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42374987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21187478 + 21187479.

It is an arithmetic number, because the mean of its divisors is an integer number (21187479).

Almost surely, 242374957 is an apocalyptic number.

It is an amenable number.

42374957 is a deficient number, since it is larger than the sum of its proper divisors (1).

42374957 is an equidigital number, since it uses as much as digits as its factorization.

42374957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 42374957 is about 6509.6049803348. The cubic root of 42374957 is about 348.6340145216.

The spelling of 42374957 in words is "forty-two million, three hundred seventy-four thousand, nine hundred fifty-seven".