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65760497 = 115978227
BaseRepresentation
bin1111101011011…
…0110011110001
311120201222102222
43322312303301
5113313313442
610305250425
71425645365
oct372666361
9146658388
1065760497
1134135920
121a033a15
1310815c4a
148a3b2a5
155b8e8d2
hex3eb6cf1

65760497 has 4 divisors (see below), whose sum is σ = 71738736. Its totient is φ = 59782260.

The previous prime is 65760481. The next prime is 65760509. The reversal of 65760497 is 79406756.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65760497 - 24 = 65760481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65760467) 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 in 3 ways as a sum of consecutive naturals, for example, 2989103 + ... + 2989124.

It is an arithmetic number, because the mean of its divisors is an integer number (17934684).

Almost surely, 265760497 is an apocalyptic number.

It is an amenable number.

65760497 is a deficient number, since it is larger than the sum of its proper divisors (5978239).

65760497 is a wasteful number, since it uses less digits than its factorization.

65760497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978238.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 65760497 is about 8109.2846170300. The cubic root of 65760497 is about 403.6345766864.

The spelling of 65760497 in words is "sixty-five million, seven hundred sixty thousand, four hundred ninety-seven".

Divisors: 1 11 5978227 65760497