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70497841 is a prime number
BaseRepresentation
bin1000011001110…
…11011000110001
311220122122212011
410030323120301
5121021412331
610555002521
71514136031
oct414733061
9156578764
1070497841
1136881087
121b739441
13117b42cb
1495118c1
1562c83b1
hex433b631

70497841 has 2 divisors, whose sum is σ = 70497842. Its totient is φ = 70497840.

The previous prime is 70497799. The next prime is 70497857. The reversal of 70497841 is 14879407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62346816 + 8151025 = 7896^2 + 2855^2 .

It is a cyclic number.

It is not a de Polignac number, because 70497841 - 213 = 70489649 is a prime.

It is a super-2 number, since 2×704978412 = 9939891171322562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70497794 and 70497803.

It is not a weakly prime, because it can be changed into another prime (70497241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35248920 + 35248921.

It is an arithmetic number, because the mean of its divisors is an integer number (35248921).

Almost surely, 270497841 is an apocalyptic number.

It is an amenable number.

70497841 is a deficient number, since it is larger than the sum of its proper divisors (1).

70497841 is an equidigital number, since it uses as much as digits as its factorization.

70497841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 70497841 is about 8396.2992443100. The cubic root of 70497841 is about 413.1032442236.

The spelling of 70497841 in words is "seventy million, four hundred ninety-seven thousand, eight hundred forty-one".