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69304961 = 116300451
BaseRepresentation
bin1000010000110…
…00001010000001
311211102001112102
410020120022001
5120220224321
610513240145
71501040165
oct410301201
9154361472
1069304961
1136136930
121b263055
131148736b
1492c0ca5
15613ec0b
hex4218281

69304961 has 4 divisors (see below), whose sum is σ = 75605424. Its totient is φ = 63004500.

The previous prime is 69304919. The next prime is 69304969. The reversal of 69304961 is 16940396.

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 69304961 - 214 = 69288577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69304969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3150215 + ... + 3150236.

It is an arithmetic number, because the mean of its divisors is an integer number (18901356).

Almost surely, 269304961 is an apocalyptic number.

It is an amenable number.

69304961 is a deficient number, since it is larger than the sum of its proper divisors (6300463).

69304961 is a wasteful number, since it uses less digits than its factorization.

69304961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300462.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 69304961 is about 8324.9601200246. The cubic root of 69304961 is about 410.7599646622.

The spelling of 69304961 in words is "sixty-nine million, three hundred four thousand, nine hundred sixty-one".

Divisors: 1 11 6300451 69304961