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42398353 is a prime number
BaseRepresentation
bin1010000110111…
…1001010010001
32221210001121101
42201233022101
541323221403
64112424401
71023244234
oct241571221
987701541
1042398353
1121a29568
1212248101
138a263aa
1458b941b
153ac771d
hex286f291

42398353 has 2 divisors, whose sum is σ = 42398354. Its totient is φ = 42398352.

The previous prime is 42398339. The next prime is 42398381. The reversal of 42398353 is 35389324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 15233409 = 5212^2 + 3903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42398353 is a prime.

It is a super-2 number, since 2×423983532 = 3595240674225218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42398303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21199176 + 21199177.

It is an arithmetic number, because the mean of its divisors is an integer number (21199177).

Almost surely, 242398353 is an apocalyptic number.

It is an amenable number.

42398353 is a deficient number, since it is larger than the sum of its proper divisors (1).

42398353 is an equidigital number, since it uses as much as digits as its factorization.

42398353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 42398353 is about 6511.4017692045. The cubic root of 42398353 is about 348.6981651528.

The spelling of 42398353 in words is "forty-two million, three hundred ninety-eight thousand, three hundred fifty-three".