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69895901 is a prime number
BaseRepresentation
bin1000010101010…
…00011011011101
311212112002011002
410022220123131
5120343132101
610534040045
71506051065
oct412503335
9155462132
1069895901
11364aa909
121b4a9025
131163332a
1493d63a5
156209d6b
hex42a86dd

69895901 has 2 divisors, whose sum is σ = 69895902. Its totient is φ = 69895900.

The previous prime is 69895853. The next prime is 69895907. The reversal of 69895901 is 10959896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 33051001 = 6070^2 + 5749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69895901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69895907) 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, 34947950 + 34947951.

It is an arithmetic number, because the mean of its divisors is an integer number (34947951).

Almost surely, 269895901 is an apocalyptic number.

It is an amenable number.

69895901 is a deficient number, since it is larger than the sum of its proper divisors (1).

69895901 is an equidigital number, since it uses as much as digits as its factorization.

69895901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 69895901 is about 8360.3768455734. The cubic root of 69895901 is about 411.9241325883.

The spelling of 69895901 in words is "sixty-nine million, eight hundred ninety-five thousand, nine hundred one".