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69750497 is a prime number
BaseRepresentation
bin1000010100001…
…00111011100001
311212020200200202
410022010323201
5120324003442
610530554545
71504604135
oct412047341
9155220622
1069750497
1136410643
121b438a55
13115b20ab
1493993c5
1561cbc32
hex4284ee1

69750497 has 2 divisors, whose sum is σ = 69750498. Its totient is φ = 69750496.

The previous prime is 69750437. The next prime is 69750503. The reversal of 69750497 is 79405796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54037201 + 15713296 = 7351^2 + 3964^2 .

It is a cyclic number.

It is not a de Polignac number, because 69750497 - 26 = 69750433 is a prime.

It is not a weakly prime, because it can be changed into another prime (69750437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34875248 + 34875249.

It is an arithmetic number, because the mean of its divisors is an integer number (34875249).

Almost surely, 269750497 is an apocalyptic number.

It is an amenable number.

69750497 is a deficient number, since it is larger than the sum of its proper divisors (1).

69750497 is an equidigital number, since it uses as much as digits as its factorization.

69750497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 69750497 is about 8351.6762988037. The cubic root of 69750497 is about 411.6382932322.

The spelling of 69750497 in words is "sixty-nine million, seven hundred fifty thousand, four hundred ninety-seven".