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70164349 is a prime number
BaseRepresentation
bin1000010111010…
…01111101111101
311220000201101121
410023221331331
5120430224344
610543510541
71511246533
oct413517575
9156021347
1070164349
1136673572
121b5b8451
13116c8588
149466153
15625e684
hex42e9f7d

70164349 has 2 divisors, whose sum is σ = 70164350. Its totient is φ = 70164348.

The previous prime is 70164331. The next prime is 70164379. The reversal of 70164349 is 94346107.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69839449 + 324900 = 8357^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 70164349 - 25 = 70164317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70164379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35082174 + 35082175.

It is an arithmetic number, because the mean of its divisors is an integer number (35082175).

Almost surely, 270164349 is an apocalyptic number.

It is an amenable number.

70164349 is a deficient number, since it is larger than the sum of its proper divisors (1).

70164349 is an equidigital number, since it uses as much as digits as its factorization.

70164349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 70164349 is about 8376.4162384638. The cubic root of 70164349 is about 412.4508155621.

The spelling of 70164349 in words is "seventy million, one hundred sixty-four thousand, three hundred forty-nine".