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69288001 = 311222791
BaseRepresentation
bin1000010000101…
…00000001000001
311211101012021021
410020110001001
5120214204001
610513025441
71500636556
oct410240101
9154335237
1069288001
1136125112
121b255281
131147c723
1492b8a2d
156139ba1
hex4214041

69288001 has 4 divisors (see below), whose sum is σ = 69511104. Its totient is φ = 69064900.

The previous prime is 69287993. The next prime is 69288049. The reversal of 69288001 is 10088296.

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 69288001 - 23 = 69287993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69288061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111085 + ... + 111706.

It is an arithmetic number, because the mean of its divisors is an integer number (17377776).

Almost surely, 269288001 is an apocalyptic number.

It is an amenable number.

69288001 is a deficient number, since it is larger than the sum of its proper divisors (223103).

69288001 is a wasteful number, since it uses less digits than its factorization.

69288001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223102.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 69288001 is about 8323.9414342005. The cubic root of 69288001 is about 410.7264554817.

The spelling of 69288001 in words is "sixty-nine million, two hundred eighty-eight thousand, one".

Divisors: 1 311 222791 69288001