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42053351 is a prime number
BaseRepresentation
bin1010000001101…
…0111011100111
32221010112100112
42200122323213
541231201401
64101203235
71020306344
oct240327347
987115315
1042053351
112181333a
121210051b
138935352
1458297cb
153a5a3bb
hex281aee7

42053351 has 2 divisors, whose sum is σ = 42053352. Its totient is φ = 42053350.

The previous prime is 42053321. The next prime is 42053353. The reversal of 42053351 is 15335024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42053351 is a prime.

Together with 42053353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42053353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026675 + 21026676.

It is an arithmetic number, because the mean of its divisors is an integer number (21026676).

Almost surely, 242053351 is an apocalyptic number.

42053351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42053351 is an equidigital number, since it uses as much as digits as its factorization.

42053351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 42053351 is about 6484.8555111120. The cubic root of 42053351 is about 347.7497843535.

Adding to 42053351 its reverse (15335024), we get a palindrome (57388375).

The spelling of 42053351 in words is "forty-two million, fifty-three thousand, three hundred fifty-one".