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69304401 = 327700489
BaseRepresentation
bin1000010000110…
…00000001010001
311211102000202200
410020120001101
5120220220101
610513233413
71501035435
oct410300121
9154360680
1069304401
1136136471
121b262869
131148702a
1492c09c5
15613e986
hex4218051

69304401 has 6 divisors (see below), whose sum is σ = 100106370. Its totient is φ = 46202928.

The previous prime is 69304399. The next prime is 69304421. The reversal of 69304401 is 10440396.

It can be written as a sum of positive squares in only one way, i.e., 42771600 + 26532801 = 6540^2 + 5151^2 .

It is not a de Polignac number, because 69304401 - 21 = 69304399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69304421) 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 5 ways as a sum of consecutive naturals, for example, 3850236 + ... + 3850253.

It is an arithmetic number, because the mean of its divisors is an integer number (16684395).

Almost surely, 269304401 is an apocalyptic number.

It is an amenable number.

69304401 is a deficient number, since it is larger than the sum of its proper divisors (30801969).

69304401 is a wasteful number, since it uses less digits than its factorization.

69304401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700495 (or 7700492 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 69304401 is about 8324.9264861619. The cubic root of 69304401 is about 410.7588583143.

Adding to 69304401 its reverse (10440396), we get a palindrome (79744797).

The spelling of 69304401 in words is "sixty-nine million, three hundred four thousand, four hundred one".

Divisors: 1 3 9 7700489 23101467 69304401