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42463481 is a prime number
BaseRepresentation
bin1010000111111…
…1000011111001
32221220100221112
42201333003321
541332312411
64114050105
71023635144
oct241770371
987810845
1042463481
1121a73495
1212279935
138a49c28
1458d505b
153adbb8b
hex287f0f9

42463481 has 2 divisors, whose sum is σ = 42463482. Its totient is φ = 42463480.

The previous prime is 42463417. The next prime is 42463507. The reversal of 42463481 is 18436424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 8357881 = 5840^2 + 2891^2 .

It is a cyclic number.

It is not a de Polignac number, because 42463481 - 26 = 42463417 is a prime.

It is a super-2 number, since 2×424634812 = 3606294437274722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42465481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21231740 + 21231741.

It is an arithmetic number, because the mean of its divisors is an integer number (21231741).

Almost surely, 242463481 is an apocalyptic number.

It is an amenable number.

42463481 is a deficient number, since it is larger than the sum of its proper divisors (1).

42463481 is an equidigital number, since it uses as much as digits as its factorization.

42463481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 32.

The square root of 42463481 is about 6516.4009238229. The cubic root of 42463481 is about 348.8766185921.

The spelling of 42463481 in words is "forty-two million, four hundred sixty-three thousand, four hundred eighty-one".