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42301349 is a prime number
BaseRepresentation
bin1010000101011…
…1011110100101
32221121010112122
42201113132211
541312120344
64110355325
71022361356
oct241273645
987533478
1042301349
11219726a2
12121bbb45
1389c11ac
145891d2d
153aa8aee
hex28577a5

42301349 has 2 divisors, whose sum is σ = 42301350. Its totient is φ = 42301348.

The previous prime is 42301339. The next prime is 42301351. The reversal of 42301349 is 94310324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25573249 + 16728100 = 5057^2 + 4090^2 .

It is a cyclic number.

It is not a de Polignac number, because 42301349 - 24 = 42301333 is a prime.

It is a Sophie Germain prime.

Together with 42301351, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42301309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21150674 + 21150675.

It is an arithmetic number, because the mean of its divisors is an integer number (21150675).

Almost surely, 242301349 is an apocalyptic number.

It is an amenable number.

42301349 is a deficient number, since it is larger than the sum of its proper divisors (1).

42301349 is an equidigital number, since it uses as much as digits as its factorization.

42301349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42301349 is about 6503.9487236601. The cubic root of 42301349 is about 348.4320310255.

The spelling of 42301349 in words is "forty-two million, three hundred one thousand, three hundred forty-nine".