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42153071 is a prime number
BaseRepresentation
bin1010000011001…
…1010001101111
32221022121010212
42200303101233
541242344241
64103253035
71021203152
oct240632157
987277125
1042153071
1121881254
121214a17b
13896b85c
145853c99
153a79beb
hex283346f

42153071 has 2 divisors, whose sum is σ = 42153072. Its totient is φ = 42153070.

The previous prime is 42153019. The next prime is 42153121. The reversal of 42153071 is 17035124.

42153071 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42153071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42153011) 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, 21076535 + 21076536.

It is an arithmetic number, because the mean of its divisors is an integer number (21076536).

Almost surely, 242153071 is an apocalyptic number.

42153071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42153071 is an equidigital number, since it uses as much as digits as its factorization.

42153071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 42153071 is about 6492.5396417735. The cubic root of 42153071 is about 348.0244373335.

Adding to 42153071 its reverse (17035124), we get a palindrome (59188195).

The spelling of 42153071 in words is "forty-two million, one hundred fifty-three thousand, seventy-one".