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70267541 is a prime number
BaseRepresentation
bin1000011000000…
…11001010010101
311220012221221112
410030003022111
5120442030131
610550024405
71512156431
oct414031225
9156187845
1070267541
1136734053
121b648105
1311733536
1494919c1
15628002b
hex4303295

70267541 has 2 divisors, whose sum is σ = 70267542. Its totient is φ = 70267540.

The previous prime is 70267531. The next prime is 70267543. The reversal of 70267541 is 14576207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 14092516 = 7495^2 + 3754^2 .

It is an emirp because it is prime and its reverse (14576207) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70267541 is a prime.

Together with 70267543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70267498 and 70267507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70267543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35133770 + 35133771.

It is an arithmetic number, because the mean of its divisors is an integer number (35133771).

Almost surely, 270267541 is an apocalyptic number.

It is an amenable number.

70267541 is a deficient number, since it is larger than the sum of its proper divisors (1).

70267541 is an equidigital number, since it uses as much as digits as its factorization.

70267541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 70267541 is about 8382.5736501387. The cubic root of 70267541 is about 412.6529161864.

The spelling of 70267541 in words is "seventy million, two hundred sixty-seven thousand, five hundred forty-one".