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69316051 = 79902293
BaseRepresentation
bin1000010000110…
…10110111010011
311211102121202011
410020122313103
5120221103201
610513403351
71501114420
oct410326723
9154377664
1069316051
11361441a2
121b269557
131148c41c
1492c4d47
156143151
hex421add3

69316051 has 4 divisors (see below), whose sum is σ = 79218352. Its totient is φ = 59413752.

The previous prime is 69316033. The next prime is 69316057. The reversal of 69316051 is 15061396.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69316051 - 25 = 69316019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69316057) 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 in 3 ways as a sum of consecutive naturals, for example, 4951140 + ... + 4951153.

It is an arithmetic number, because the mean of its divisors is an integer number (19804588).

Almost surely, 269316051 is an apocalyptic number.

69316051 is a deficient number, since it is larger than the sum of its proper divisors (9902301).

69316051 is an equidigital number, since it uses as much as digits as its factorization.

69316051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902300.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 69316051 is about 8325.6261626379. The cubic root of 69316051 is about 410.7818730749.

The spelling of 69316051 in words is "sixty-nine million, three hundred sixteen thousand, fifty-one".

Divisors: 1 7 9902293 69316051