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42330349 is a prime number
BaseRepresentation
bin1010000101111…
…0100011101101
32221122121022201
42201132203231
541314032344
64111141501
71022542045
oct241364355
987577281
1042330349
1121992466
1212214891
138a01459
14589c725
153ab24d4
hex285e8ed

42330349 has 2 divisors, whose sum is σ = 42330350. Its totient is φ = 42330348.

The previous prime is 42330319. The next prime is 42330367. The reversal of 42330349 is 94303324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 2829124 = 6285^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 42330349 - 211 = 42328301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42330319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165174 + 21165175.

It is an arithmetic number, because the mean of its divisors is an integer number (21165175).

Almost surely, 242330349 is an apocalyptic number.

It is an amenable number.

42330349 is a deficient number, since it is larger than the sum of its proper divisors (1).

42330349 is an equidigital number, since it uses as much as digits as its factorization.

42330349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 42330349 is about 6506.1777565634. The cubic root of 42330349 is about 348.5116362149.

The spelling of 42330349 in words is "forty-two million, three hundred thirty thousand, three hundred forty-nine".